顯長 的英文怎麼說

中文拼音 [xiǎnzhǎng]
顯長 英文
akinaga
  • : Ⅰ形容詞1 (明顯) apparent; obvious; noticeable; evident 2 (有名聲有權勢的) illustrious and inf...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著,對自適應調制系統中的通道估計問題難點,詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然( ml )估計和最大后驗概率( map )估計演算法,針對平衰落通道,我們模擬了map估計和ml估計的方差與導頻符號度的關系,模擬結果表明,錯誤方差受多譜勒頻率的變化影響最大,並且對實際的自適應調制系統,導頻符號度的取值超過20個符號度時, map通道估計明優于ml通道估計。
  2. As an athelete in high school, he is especially good at doing action films

    曾在學生時代當運動員的他身手敏捷,演出動作片盡
  3. Leaves ternate ; leaflets papery or nearly leathery, ovate to ovate - elliptic, 6 - 15 cm long and 3 - 7 cm wide, apex abruptly acuminate, base rounded to subcordate, entire, both surfaces glabrous ; basal veins 3, lateral veins 4 - or 5 - paired, conspicuous on both surfaces ; petiolules 1. 5 - 2 cm long, glabrous

    葉為三出復葉;小葉紙質或近革質,卵形至卵狀橢圓形,6 - 15厘米,寬3 - 7厘米,先端突尖,基部圓形至近心形,全緣,兩面無毛;常有基出3出脈,側脈4 - 5對,兩面均明;小葉柄1 . 5 - 2厘米,無毛。
  4. 3. shading levels effected on the growth of cultivated plantlet from adventitious buds in plastic house. lower shading level could increase the root development including root number, fresh weight and dry weight

    不同遮陰度對花葉玉簪品種不定芽組培苗煉苗的營養生有較大的影響,低遮陰度能著增加植株的根數、根鮮重和根干重。
  5. It thinks in the motives of m & as, promotion of government is obvious, corporations are short of long - term strategetic advisement

    認為我國企業並購動因中,政府推動著,企業對並購行為缺乏遠的戰略考慮。
  6. T crowe, et al. effect of spin on the internal ballistics of a solid - propellant motor r. aiaa 66 523

    曹泰岳,常奇,等.固體火箭發動機燃燒過程理論基礎m .沙:國防科技大學出版社
  7. C t crowe, et al. effect of spin on the internal ballistics of a solid - propellant motor r. aiaa 66 523

    曹泰岳,常奇,等.固體火箭發動機燃燒過程理論基礎m .沙:國防科技大學出版社
  8. D r greatrix. acceleration - base combustion augmentation modelling for non - cylindrical grain solid rocket motors r. aiaa 95 2876

    曹泰岳,常奇,等.固體火箭發動機燃燒過程理論基礎m .沙:國防科技大學出版社
  9. At present, the competition of oil industry is very fury, so reducing the cost of exploitation of oil is imperative under the situation. but the oil drillers of our country are relatively old, and the control mode drops behind, which result in the long period of making hole and high ratio of aiguille attaint, which is the main restrict factor of reducing the cost of oil exploitation

    隨著石油行業競爭的日趨激烈,降低石油的開采成本就勢在必行,於是研製新型的石油鉆機就得尤為重要,因為國內目前使用的鉆機比較陳舊,控制方式非常落後,導致鉆井周期、鉆頭損壞率高,這是降低石油開采成本的重要制約因素;而且落後的控制方式使得鉆井過程容易發生溜鉆、卡鉆等事故。
  10. Ammonifiers in suzhou creek can not use inorganic nitrogen and carbamide as nitrogen source ; additional carbon source and garbage lixivium have little influence on ammonifiers growth ; high content of salt and low temperature restrain ammonifiers growth ; alkalescent condition has little influence on ammonifiers, but acidic condition restrain ammonifiers growth ; the biomass of ammonifiers are not necessary correlated with the function of ammonifiers, adding glucose with 1g / l content into the water sample obviously promote the growth and function of ammonifiers. physiological groups of bacteria play significant role in the translation and

    蘇州河的氨化菌無法利用無機氮和尿素作為氮源;在營養條件充足時添加額外c源和富含有機物的垃圾浸出液對氨化菌的生基本無影響;高鹽度和低溫抑制氨化菌生;堿性條件對氨化菌的生影響不大,酸性條件對氨化菌生具有抑制作用;氨化菌生物量的消與轉氨活性之間不存在必然聯系, 1g / l的葡萄糖對蘇州河水樣中氨化菌的數量和轉氨功能具有明的促進作用。
  11. Hplc analysis indicated that a. vera l. growing under shaded conditions had remarkably lower aloin content in its leaves that it growing under natural light did

    高效液相色譜分析結果示,生在遮蔭條件下的庫拉索蘆薈葉片,蘆薈素含量明低於生在自然光照下的含量。
  12. Transmission electron microscope and hplc were adopted to study cellular ultrastructures and aloin contents of aloe vera l. growing under shaded condition and natural light

    摘要分別用透射電子微鏡技術、高效液相色譜法研究了生在遮蔭和自然光照條件下庫拉索蘆薈葉片的超微結構和蘆薈素含量。
  13. Whether a. vera l. grew under shaded conditions or natural light, its aloin content was significantly and negatively correlated with the age of the leaves and the age of its mature leaves showed much more influence

    無論自然光下還是遮蔭條件下生的蘆薈,蘆薈素的含量與葉齡有著的負相關性,遮蔭對成熟葉的影響更大。
  14. Phylogenetic tree was constructed and displayed that a. platensis fachb341, a. maxima ouqdsm and a. platensis fachb439 formed the monophyletic linage, which was fully supported by bootstrap values ( 1000 ), while spirulina fachb440 and anabaena pcc7120 clustered in another linage with the bootstrap value of 909

    系統發生分析結果示,三個節旋藻品系形成一個小的分支,其自舉值為1000而螺旋藻與魚腥藻聚合為一個類群,自舉值為909 。同時我們以鈍頂節旋藻fachb341m platenstsfachb341 )為材料,克隆了2073hp的rubisco序列。
  15. The lively and recognizable tiger barb should never be kept with long - finned species, such as angelfish, gouramis, or veiltail hybrids as they like to nibble at their fins

    不應將活躍而眼的虎皮魚與魚鰭的魚種放在一起飼養,那些魚種例如有神仙魚、絲足魚或紗羅尾雜交魚-這是因為虎皮魚喜歡啃咬它們的魚鰭!
  16. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生動態進行了研究,結果表明:不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢;油篙新梢的年生動態呈s型曲線,檸條新梢春季生速度較快, 7月份以後生速度緩慢或基本停止生;檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型, 4種配置方式下共有8種1年生植物人侵,並具有較高的植被蓋度;同其它3個樣地相比,純油篙樣地1年生植物的密度、蓋度和生物量明偏低。
  17. Neurons p2 to p5 were diverse in both growth of the apical dendrite and generation of the evoked fpscs, and the total length and number of branches of apical dendrites were significantly longer or larger in neurons producing fpscs than in neurons producing no fpscs

    在生后2 ? 5天,錐體神經元不僅在頂樹突的發育上,而且在fpscs的產生上均呈現多樣性,且可產生突觸反應的神經元的頂樹突的總度及分支數量均明顯長于或多於不能產生突觸反應的神經元。
  18. The analysis of microstructure of samples showed that the grain of tio2 were very small under 700, the distance of grain became small with temperature increasing, the rate and size of pore was decreasing. the relative density of sample at 900 was 97 % and the grain size of sintered body was about 200nm. when the temperature exceeded 1100, the grain size of body grew up several times ( > 2 m )

    Tio _ 2燒結體sem微形貌分析表明:低溫( 700 )時坯體內顆粒無明顯長大,燒結體緻密度不高( 80 )晶粒間距隨溫度升高而變小,氣孔率也隨之降低,氣孔尺寸變小;當溫度超過900時,晶粒間連接緊密,燒結體內出現大量絮狀物質,緻密度大幅度提高,達97以上,小氣孔已聚集成大孔洞且分佈均勻,晶粒大不明( 200nm左右) ;當溫度超過1100時,燒結體緻密度有所提高,但晶粒尺寸出現異常大,大了十幾倍(達2 m以上) 。
  19. The results show that the grain size of cosb3 grows with increasing sintering temperature or sintering time

    結果表明:隨著燒結溫度的增加和燒結時間的延,燒結體的晶粒有明顯長大。
  20. Aortic clump time and cpb time were greatly longer in the cvdc group than controls ( p < 0. 01 )

    腦血管病並發癥組術中心肌血流阻斷時間和體外循環轉機時間明顯長于對照組( p < 0 . 01 ) 。
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