正反差 的英文怎麼說
中文拼音 [zhēngfǎnchā]
正反差
英文
dark contrast-
Chlamys farreri, which belongs to mollusca, bivalvia, pterioidae pectinidae, are widely distributed on the china from donghai sea to bohai sea, korea and japan. this species has been the main aquacultrue shellfish for many years in northchina
利用同工酶技術,對中國櫛孔扇貝和日本櫛孔扇貝的遺傳差異進行了比較分析,並對它們的正反交後代的酶表型及遺傳型進行了分析,探討了亞種間雜交的機制。The ability of the ionosphere to reflect these waves is dependent upon normal variations in the electron density at different levels.
電離層反射電波的能力取決于不同高度上電子密度的正常差別。The study on difference of heat transmissibility between obverse and reverse direction of silk velvet fabric
絲絨織物傳熱性能的正反向差異The differences between styles, the pros and cons throughout the ages, the tug - of - war between the mind and soul, preconceived ideas of beauty and ugliness, were integrated in the making of this wonderful painting
不同流派的差異自古以來正反的對抗頭腦和靈魂的掙扎,以及對美和丑的定見都被包含在內,呈現出一幅絕頂的畫作。Molecular examination and biological observation of transformed plants by growing resistant germinations we got 30 transformed plants. pcr and spot blotting hybridization analysis indicate that hsp70 anti - sense cdna had been integrated into tobacco genome. through observation and measurement we found 12 completely sterile, 9hyper - sterile, 3 partially sterile and 6 fertile and significant differences between them in stamen, height, and fruit weight
Pcr和點雜交分析表明, hsp70正、反義。 dna己經整合到煙草的基因組中。在進行田間生物學性狀觀察時, 30株轉基因植株中有12株表現出完全不育, 9株高度不育, 3株部分不育和6株可育;不育植株在雄蕊、株高和果實重量等方面都存在明顯的差異。2. the radiant characteristics of the sar images are evaluated, which includes relative calibrations and absolute calibrations of the sar images, corrections of the antenna patterns, and ratio transforms and contrast adjustments of the sar images
2 . sar定標與其圖像輻射特性評價,包括圖像的內定標和外定標,以及以天線方向圖校正、比例變換和反差調整為內容的sar圖像的輻射校正和增強。There are several effective methods which are used to improve image contrast, such as piecewise linear stretch, histogram equalization and histogram normalization and so on
採用圖像對比度增強的方法改善影像灰度反差。主要的對比度增強方法有分段線性增強、直方圖均衡化和直方圖正態化等。In the differential input, positive feedback circuit was used to increase the switching speed and attain low power
在差分輸入端,採用正反饋電路結構,以提高開啟和關斷速度,並降低功耗。In order to improve the performance of the sram, array partition, divided word line structure and cmos positive feedback sense amplifier are adopted
設計中採用了存儲陣列劃分、分級字線以及cmos正反饋差分讀出放大器等先進技術,讀寫速度可達到20ns 。Abstract : this paper uses the topology theory to analyze the surface flow spectrums of straight, positively curved and negatively curved cascades with relative tip clearances of 0. 023 and 0. 036, finds apparent differences of topology and vortex structures in the blade tip and the suction side wall corner of single type of cascade with this two clearances, and studies the mechanism of the difference formation as well as their effects on the energy loss
文摘:應用拓撲原理分析了葉頂相對間隙為0 . 023和0 . 036的渦輪直葉柵和正、反彎葉柵的壁面流譜,發現在兩種間隙下同類葉柵的拓撲與旋渦結構在葉頂和吸力面壁角明顯不同,探討了差別形成的機理及其對能量損失的影響The shoestring budget never impedes upon law s exhilarating images, as she travels 12, 000km along with dr. kerbi s family across the barren outback to one such refugee camps. spare, lyrical and deeply personal
羅卓瑤敏銳的視覺感性,通過方令正對自然光的敏感捕捉及高反差的數碼攝影表露無遺,堪與同以澳洲荒漠為背景的前作遇上1967的女神互相輝映。This paper has analyzed and synthesized the problems of burning heavy viscosity petroleum about injecting steam boilers in liaohe oil field. the heat balance experiments on injecting steam boilers burning heavy viscosity petroleum is made first. the main causes of low thermal efficiency and heat lose of flue gas are the poor effect of atomization and burning with old - fashioned oil nozzles, worse ash gathered on. heat exchange surface and high temperature of flue gas
本論文在分析綜述了遼河油田注汽鍋爐燃用高粘度稠油時存在的問題的基礎上,首先對燃用稠油的注汽鍋爐進行了正、反熱平衡試驗,分析了注汽爐熱效率偏低、排煙熱損失偏高的主要原因是原噴油嘴改燒高粘度稠油時霧化和燃燒效果差、換熱面積灰嚴重、排煙溫度太高。Avoid synthetic products to improve sleep on human sleep on the role ; can promote and enhance the natural sleep, improve sleep quality, improving adult insomnia ; adjusted to the time difference, the time difference correct response ; senile plaques and prevent the formation of melanoma ; enhance human immunity
避免了合成型改善睡眠產品對人體睡眠造成的依賴作用;可以促進和加深自然睡眠,提高睡眠質量,改善成年人失眠癥;能夠調整時差,糾正時差反應;預防老年斑及黑色素的形成;提高人體免疫力。Ji kang ' s opinion about the relationship of feeling with music and voice as well as the essence of music is different to hanslick ' s, which shows the difference in their philosophical idea shown the difference in their aesthetic idea
嵇康和漢斯立克對音樂、音聲與情感的關系及音樂美的本質的不同認識正反映出二人美學思想差異背後的深層哲學思想的差異。So the vsr can operate in any power factor. internal model control ( imc ) design concept has been introduced to the unbalanced control system of vsr. with imc design concept, the unbalanced control system not only achieve zero steady state error of sinusoidal ac current, but also obtains strong robustness of the control system
由於在abc和靜止坐標系中,採用比例和比例積分調節器無法實現對時變正弦波信號的無差跟蹤控制,而在dq坐標系中需要用正、反兩套旋轉坐標系構成四個電流內環才能實現對正、負序dq電流的無差跟蹤。The negatively worded test version was more precisely to predict the criterion ( academic achievement / grades ) than the positively worded test version
( 4 )對國小生而言,正反向題本產生測驗差異效度的問題。Finally, the forward and backward subtracted cdna libraries including 863 and 360 clones respectively were obtained
最後所獲正向差減文庫含863個重組子,反向差減文庫含360個重組子。Using fourier transformation computational method, the fir filter was designed. the acceleration signal dynamic error was revised through the fft 、 ifft and frequency correction in the operating frequency scope. the signal processing had been realized on dsp, and the signal data was really recorded
應用傅里葉變換的計算方法,並且完成了fir濾波器的設計,通過傅里葉正反變換和頻率補償實現工作頻率范圍內加速度信號動態誤差修正,在dsp上實現了信號處理,真實地記錄了信號數據。The kinematics analysis of the moving system of lunar rover is presented in this paper. in this procedure, the lengthways speed of each wheel, when the lunar rover is moving in common status, are calculated. moreover, the same direction and converse difference steering for difference steering system with steering radius as the critical transfer condition is put forward
本文首先對六輪獨立驅動式月球車所採用的行走系統進行了運動學分析,推導了月球車正常行駛狀態下各車輪的縱向速度,並給出以轉向半徑為臨界值的差速轉向系統的正、反向差速的轉換條件。On the other hand, due to the difference of the loading form on eccentric loading column with push - out test and short - column test, the bond - slip performance ca n ' t be displayed in it
同時,由於推出試驗( push - outtest )和短柱試驗( short - columntest )與偏壓柱的受力狀況有差別,並不能真正反映出構件中的粘結滑移性能。分享友人