ld-a 中文意思是什麼

Living someone else ' s life with a fake ld

用個假的名字和身份id ，成為另一個人

In october 2003 council chaired a meeting with the labour department and the legal aid department to exchange views on whether any improvement could be made in respect of legal aid cases on arrear of wages involving lad and ld

本局於二零零三年十月主持的聯席會議中，就牽涉法律援助署法援署與勞工署有關拖欠薪金的法援個案上，與勞工署及法援署交換意見，尋求改善方法。

Whether it has plans to take measures to enhance the prevention of ld including taking and testing more water samples from cooling tower systems of buildings for testing, enacting legislation to require owners of such systems to cleanse and disinfect their facilities on a regular basis, etc, so as to safeguard public health

有沒有計劃採取措施，加強預防退伍軍人癥包括增加抽驗大廈水冷塔系統的水辦立法規定該等系統的擁有人須定期清洗其系統及進行消毒等，以保障市民健康？

According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。

Zno is a directed band semiconductor with a big binding energy. it has gained substantial interest because its large exiton binding energy ( 60mev ), which could lead to lasing action based exiton recombination even above room temperature, such as led, ld and so on

Zno是一種寬禁帶的直接帶隙半導體材料，具有非常高的激子束縛能（ 60mv ） ，即使在室溫條件下激子也不會分解，因此可以被用作光發射器件，如led和ld等。

This configuration is used when the amplifier is connected to a dvd player, ld player, vcr or other video devices

這個配置是用於放大器連接dvd播放機、 ld播放機、錄影機或其它視頻裝置時的用途。

Let me write you a check. only with the proper ld

我寫張支票給你-必須出示身份證明

- let me write you a check. only with the proper ld

-我寫張支票給你-必須出示身份證明

The labour department ( ld ) does not keep a separate record of the number of labour disputes involving government projects

勞工處並沒有特別分類備存涉及政府工程的勞資糾紛數目。

Constructing cdna expressing library of erythrocytic plasmodium falciparum from hainan : the total rna was obtained by using. triplix kit. a modified oligo ( dt ) primer ( cds ffi pcr primer ) was used in the single - stranded ( ss ) dna synthesis reaction. the ss - dna was reversely transcripted from total rna. double - stranded ( ds ) cdna was amplified by long - distance ( ld ) pcrafter the digestion with proteinase k and sfi i, the cdna with no less than 200bp was collected and purified by glass - milk kitthe library was constructed after the ligation of cdna to tiplex2 phage particle packaged with the packaging extract system in vitro. a high titer and high recombinant ratio of cdna library was constructed

構建惡性瘧原蟲海南株紅內期cdna表達文庫提取紅內期惡性瘧原蟲海南株總rna ，直接以總rna為模板使用cdna文庫構建試劑盒，首先反轉錄合成ss一dna ，再擴增合成ds一dna （ cdna ） ，對擴增產物用蛋白酶k消化及左z丁i酶切，抽提蛋白、去除rna后，用玻璃奶試劑盒純化、回收20obp以上的片斷，經與載體連接再用蛋白包裝物包裝后形成未擴增文庫，最後擴增完成惡性瘧原蟲海南株紅內期cdna表達文庫的構建。

It has a broader absorption band at 808 nm which is emitted by laser diode ( ld ). therefore, nd : cngg is suitable for ld pumping, the ld pumped all solid - state lasers can be made by using nd : cngg. in this study, nd : cngg single crystals of 25mm in diameter and above 80mm in length were successfully grown by the automatically pulling method from the melt

摻釹鈣鈮鎵石榴石（簡稱nd : cngg ）是一種新型激光晶體，該晶體熔點低（ 1470 ） ，具有無序結構，在通用的808nm半導體激光二極體（ ld ）發射波長區有寬吸收帶，因此很適合ld泵浦，可做成ld泵浦全固態激光器。

Using fiber grating to substitute traditional wavelength - selecting components, the 8nm tuning range is realized at a repetition frequency of 2. 5ghz. ( 5 ). the wavelength - tuning methods of an active mode - locked fiber laser using a ld as a modulator are researched, and two tuning methods including temperature tuning

（ 4 ）對主動鎖模光纖激光器的波長調節技術進行了研究，用光纖光柵代替傳統的波長選擇器件實現了主動鎖模光纖激光器的波長調諧，並獲得了波長連續調諧范圍達8nm 、重復頻率2 . 5ghz的穩定的光脈沖輸出。

In order to monitor the operation of the simplified referral system and to continue the dialogue between lad and ld on how to further improve the referral system to facilitate recovery of arrears of wages and other statutory benefits by employees, the two departments agreed that the working group would meet twice a year to discuss operation issues and to endorse improvement measures

為監察簡化轉介系統之運作，以及維持法援署與勞工署之間就如何進一步改善轉介系統，以協助追討拖欠之薪金及其他法定雇員福利的磋商，兩部門同意該工作小組將每年會面兩次，以商討運作事宜及簽注改善措施。

The main content and important results of this thesis are as following : a series of er + - doped borosilicate glasses were prepared by varying the composition. absorption spectra of four glasses were measured. 1. 51uminescence under the excitation of a 978nm ld and visible luminescence with a 488ar + laser were observed

測量了樣品的吸收光譜，在978nmld低功率激發下，均觀測到了系列玻璃樣品中er ~ （ 3 + ）的1 . 5 m近紅外發射，在488nmar ~ +激光激發下，觀測到了可見區發光。

Diode - pumped solid - state laser ( dpl or dpssl ) is solid - state laser, used laser diode ( ld ) instead of flash lamp to pumping laser media. comparing with flash lamp, it has a lot of advantages, such as high efficiency, reduced size, compactness, stabilize and longer lifetime

激光二極體泵浦的固體激光器（ dpl或dpssl ）是用激光二極體（ dpl ）代替閃光燈泵浦激光晶體的固體激光器，與燈泵浦相比，具有效率高、體積小、結構緊湊、性能穩定、壽命長等優點，已成為當今固體激光器發展的主要方向。

Through such a study, it is also shown that when the time delay is long enough such that the stability switches of the equilibrium of system halt, the bifurcation branches originated from the critical time delays cannot be surely stable or unstable in the whole solution space, that is, their stability depends on cases. this phenomenon also implies that the stability of the periodic solutions on the bifurcation diagrams indicates only the stability on the local center manifo ld. some distinguished features of delay dyn

利用打靶法的數值結果說明了當系統平衡點不再發生穩定性切換時，源自這些臨界時滯處的解支的穩定性在整個解空間的穩定性具有不可判定性，這也說明由多尺度法所得高階近似判定的解支的穩定性事實上只表示解支在局部中心流形上的穩定性，而非在整個解空間中的穩定性。

A study of the relationship between self - worth and the causality of ld middle school students

的自我價值感及其與控制源的相關研究

Compared with the traditional lamp - pumped solid - state lasers, the diode - pumped solid - state lasers ( dpssls ) have many advantages such as high efficiency, long lifetime, all - solid - state, small size and little heat effect, etc. of many kinds of dpssls, laser diode ( ld ) end - pumped nd : yag laser plays an important role and has been found wide applicatins in industry, mainly because of its good mechanical and optical properties of nd : yag crystal and good mode matching to output a fundamental transverse mode

與傳統的燈泵浦相比，激光二極體泵浦固體激光器（ dpssls ）具有高效、長壽命、全固化、熱效應和體積小等優點。在眾多的dpssls中，激光二極體（ ld ）端面泵浦nd ： yag激光器在工業中起著重要的作用並得到了廣泛的運用，這主要歸因於nd ： yag晶體具有良好的機械和光學特性，而且端面泵浦具有良好的模式匹配，能獲得基橫模激光輸出。

In optical fiber aspect, the incident beam can be collimated, converted and focused by some kinds of lenses, making the mode of incident beam matched with or near the optical fiber ’ s modes. in this thesis, thorough theoretical analyses and experimental investigations were made for the external optical properties of a 980nm high - power tunnel junction regenerated multi - active - region quantum well stripe - geometry algaas / gaas / ingaas ld and three different stripe - width 980nm high - power

本論文圍繞本實驗室研發的新型隧道再生多有源區980nmalgaas / gaas / ingaas量子阱大功率半導體激光器和多種條寬的單有源區980nmalgaas / gaas / ingaas量子阱大功率半導體激光器的光場外特性、單模階躍折射率光纖和多模漸變折射率光纖的模場特性進行了深入的理論分析和實驗研究。

The resulted microstructure is ld ' + a ' + mc + m6c, density not less than 8. 0g / cm3 and hardness not less than hrc50. the effects of alloying elements, sintering process, microstructure and liquid phase sintering on properties of pm inserts are discussed too

制備出了符合性能要求的粉末冶金搖臂鑲塊，其密度8 . 0g / cm3 ，硬度50hrc ，其耐磨性能已達到日本進口件的水平。