base length 中文意思是什麼

The paper introduces a sort of encrypted algorithm which comparied with the original length of cryptograph, the length of encrypted cryptograph will base on the difference of the encrypted information piece length to minish

本文介紹了一種加密后的密文長度與原明文長度文相比，依據所選加密信息塊長度的不同而做相應減小的加密演算法。

Our airboat is 13 mts in length, 2. 7meters in diamter, 35kgs in weight, the bag, clothe base, pigment are from usa, remote control device, motor and helm are from japan, helium which is used as flotage has no poison, no harm, no burn, no exploding

我們現在的飛艇長13米，直徑為2 . 7米，重35公斤，艇囊，布基，塗料均為美國進口，遙控設備，發動機以及舵機均為日本進口，以氦氣做升空浮力無毒無害不燃不爆。

The length of generative cell nuclei is 3. 5 - 20. 0pm. study method on morphology of generative cells in pollen grains and the evolutionistic tendency of genus camellia base on the morphological character and size of generative cell nuclei was also discussed in this paper

筆者探討了光學顯微鏡下觀察山茶屬花粉粒生殖細胞形態的方法，並根據山茶屬植物花粉粒生殖細胞核的形狀及大小變化，對其演化的趨勢進行了討論。

The measurements used are fork length, head length, upper jaw length, snout length, length of dorsal fin base and anal fin base and the distances from the tip of snout to insertion of dorsal fin, to pectoral fin, to ventral fin and to hard margin of preopercle

此所用於分析之外部非體節形質計有：尾叉長、頭長、上顎長、吻長、眼徑、背鰭基底長、臀鰭基底長以及吻端到前鰓蓋骨后綠、背鰭起點、腹鰭起點、臀鰭起點等11個形質。

Aiming at the present design fashion of domestic bigger tunnel, simulating a bigger tunnel with catholic characteristic, confirming the parameters of traffic inducement and controlling ( tunnel length, traffic, the selection and location of detection equipments, amount of roadway indicative lamp, etc ) on the base of the analog tunnel, discussing the controlling and revulsive mode of tunnel. briefly discussing the constitution of tunnel surveillance and controlling system and the executive means of traffic controlling and inducement subsystem and network structure of tunnel controlling system. finally discussing the conformation of emulational tunnel ' s database and detailed executive program by programming the computer emulation of controlling induce subsystem

論文圍繞「交通誘導與控制」這一中心展開，探討長大隧道交通誘導與控制設備及其控制誘導方式；結合國內外對交通流模型研究的成果，提出一套適合長大隧道交通流特點的交通流模型；並針對目前國內長大隧道的普遍設計方式，模擬一個帶有普遍性特徵的長大隧道，確定了關于交通誘導與控制方面的參數（隧道長度、交通量、檢測設備的選取和位置、車道指示燈的數目等） ；以此模擬隧道為基礎，進一步探討隧道的具體控制與誘導方式；簡要探討隧道監控系統的構成、交通控制與誘導子系統的實現方式，隧道控制系統的網路架構；最後通過編程實現控制與誘導子系統的計算機模擬，討論關于模擬隧道數據庫的構建，具體編程實現等。

Both of forward and back bearings have been integrated into one box to make full use of the length of base frame that the motor formerly mounted on, and short the shaft extended lengths in both end with the strengthening connection between bearing housing and screw thread of base

將前後兩支承設計為一個整體軸承座，充分利用原電動機安裝底座的有效長度，最大限度地縮短了軸的懸伸量，提高了軸承座與底座的螺紋聯接強度。

Specification for safety requirements for children ' s travel cots of internal base length not less than 900 mm

床身長度不小於900mm的兒童旅行帆布床安全要求規范

The short - baseline interferometer ’ s angle measurement accuracy is influenced by phase difference measuring accuracy, the base length measuring accuracy, the system operating wavelength ( frequency ) and so on, the article analyzes the existing theory, and emphatically analyzes the influence of base length measuring accuracy to the precision of angle measurement

短基線干涉儀測角精度受相位差測量精度、基線長度測量精度、系統工作波長（頻率）測量精度等因素的影響，文中，在對原有理論進行分析的基礎上著重分析了基線長度測量精度對系統角度測量精度的影響。

Internal bones are highly ossified ; base of dorsal fin broad, about 1 / 4 of total length of the fish ; more than 10 pieces of ventral caudal fulcra. teleostei family lycopteridae cockerell 1925 genus jinanichthys ma et al.,

其骨魚類kleostel狼鰭魚科lycopteridaecockerell 925吉南魚屬jinanichthysmaetal 1988屬型種ltcopteralongic印halusliuetal

When compared to the reference group, treated with cream base, a clear shortening of the mean thrombus length was seen after the administration of hirudoid

而與用軟膏基質的對照組相比，應用喜療妥后平均血栓長度明顯縮短。

The aligned length of 378 base pair ( bp ) partial sequences was available for the c - mos dna. sequences of an additional 11 gekkotan genera retrieved from genbank were also used in the analysis. ( 1 ) gekkota as well as eublepharidae, gekkonidae, pygopodidae, pygopodinae, diplodactylini ( sensu kluge, 1987 ) are monophyletic ; ( 2 ) diplodactylinae and carphodactylini are not monophyletic, and we propose to recognize three families within the pygopodidae sensu kluge ( 1987 ) : pygopodidae, carphodactylidae and diplodactylidae

系統發生分析的結果提示： （ 1 ）壁虎類以及瞼虎科、壁虎科、鱗腳虎科、鱗腳虎亞科（ pygopodinae ）和刺尾虎族（ diplodactylini ） （ kluge ， 1987 ）各自都是單系的； （ 2 ）刺尾虎亞科（ diplodactylinae ）和藁趾虎族（ carphodactylini ）不是單系? ?的，建議將ki嗆e ）的鱗腳虎科改訂為以下三個科：鱗腳虎科（ pygopodidae ） ，鼓趾虎科（ carphodactylidae ）和刺尾虎科（ dipl 。

The results showed that a function of length of the side chain has a dramatic effect on mesophase formation in the porphyrin free base and complex

最後，研究了酚氧基（ rcg ）中烷基一）碳鏈長度對葉琳及金屬鋅葉琳配合物材料液晶性能的影響。

The result of the agarose gel electrophoresis showed that the length of the full - length cdnas in the library was pooled mainly between 500 and 2 000 base pairs

結果表明獲得的ejoi基因的cdna長度為876hp ，開放閱讀框長度為759hp ，編碼252個氨基酸。

The results indicate that the fracture toughness is influenced markedly by the different base structure of vermicular east iron and by the form of graphite ; unlike steel, the fracture toughness of vermicular cast iron increases with the yielding strength, while drops drastically with the increase of ratio of graphite grain length to thickness

試驗結果表明，蠕墨鑄鐵的斷裂韌度受不同基體組織的影響比較明顯；受不同石墨形態的影響顯著，與結構鋼不同，蠕墨鑄鐵的斷裂韌度隨材料的屈服強度增大而增大，隨石墨顆粒的長厚比增加會急劇下降。

This disquisition aimed at plc reactive dispatch curve controller, associating the entire exploiting process, expounded in guiding ideology, control standard, function and structure design, software system design, analog experiment, fixing and debugging and so on, also part of flow schematic diagram ( the ladder chart was n ' t drawn because of too many network and length limit ). this design involves many subject such as power systenu automatic control microcomputer control and electroa during the design, we have read a great deal of concerned data, base on the sufficient investigation analysis and research, associating the practicality of huanren power plant, we introduced and exploited plc reactive dispatch curve controller in the first time

本文針對plc無功調度曲線控制器，結合整個研製過程，在設計指導思想、控制準則、性能設計、裝置構成設計、軟體系統設計等方面進行了闡述，並給出了部分程序流程簡圖（由於梯形圖網路數太多，受篇幅限制沒有給出） 。本設計涉及到電力系統、自動控制、微機控制、電子等多學科知識，在設計過程中，我們查閱了大量相關的資料，在充分調查、分析、研究的基礎上，結合桓仁發電廠實際情況，首次提出並研製出了plc無功調度曲線控制器。

On the base of analysing the ordinary design methods, aiming to the minimum annual cost or investment, taking the pipe length and water pump lift as decision - making variables, the linear programming models are presented to optimize the diameters of main network and field network

論文首先分析了常規微灌系統規劃設計方法，在此基礎上，以年費用或投資最小為目標，用離散管徑方法，以管段長度和水泵揚程為決策變量，分別建立了水泵加壓式和自壓式干管管網優化設計以及田間管網優化設計線性規劃模型。

Accessing the data, the knowledge, the model and the relative parameter from database, knowledge - base, model - base and the interface, the expert system automatically infers and calculates the maximum depth and length of stilling basin the bantai hydraulic project and the xiangyanghe dam have been given as the example

以班臺閘和向陽河壩為工程實例，根據數據庫、知識庫、模型庫中的相關數據、知識經驗、模型，以及人機交互界面的相關參數，進行分析推理計算，求出最大消力池深和池長，對系統的相關功能模塊進行的驗證。

The nancha suspending - gay bridge of the changjiang road - bridge in jiangshu runyang, with a main span of 1490m, ranks first in china, third in the world. the north rivets, only 250m from the main stream of changjiang, have a tight liaison with the waterpower of it. especially, in this area, the face of rocks undulates a lot and exist fault - fabric. the soil there has apparent difference with the trend of water. the base - hole of north rivets can be named a super - deep one, with a 60m length, 50m widths, and 48m depths. the fence of the base takes advantages of the rectangular underground continuous wall structure and succeeds

江蘇潤揚長江公路大橋南汊懸索橋，主跨1490m ，居中國第一，世界第三。該橋的北錨碇距長江幹流僅250m ，與長江水力聯系密切，錨碇區水文、地質情況復雜，表層淤泥質土及松軟粘土層較厚，基巖頂面起伏較大，且存在斷裂構造，土層具明顯的流變特性。北錨碇基坑為長60m 、寬50m 、深48m的矩形超深基坑，其基礎圍護在國內首次採用矩形地下連續墻結構，並獲得成功。

This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。

The number of base pairs is a measure of the length of the dna or rna molecule, which is often expressed in units of 100 bases ( kilobases ), meaning 100 base pairs

堿基對的數目可以用來測量dna或rna分子的長度， 100個堿基為一個單位，就是100個堿基對。