叶片

推进器的叶片已经安装好了。

The propeller blade has been mounted .

竹蜻蜓Bamboodragonfly竹蜻蜓有一个类似直升机的顶轴，上面绕着一根绳子，轴上伸出一个水平叶片。

Bamboo dragonfly has a helicopter top axis6 with a cord wound around it , with a horizontal blade sticking out from the axis .

叶片漂浮在水面上。

The leaves floated on the water .

植物的肺就是其叶片上微细的气孔。

A plant 's lungs are the microscopic pores in its leaves .

植物通过蒸腾作用从叶片中释放水分。

Plants release water through their leaves by transpiration .

头顶上，直升机在呼啸，巨大的螺旋桨叶片搅动着空气。

Overhead , the chopper roared and the big blades churned the air .

墙纸是淡黄色的，上面饰以漩涡状叶片凸起图案。

The paper on the walls was pale gold , embossed with swirling leaf designs .

扬雪车上庞大的钻头叶片在开始大量吞进积雪。

Already the Snowblast 's huge auger blades were engorging snow .

色斑：植物叶片或花表面出现的彩色斑块

Variegation The occurrence of patches of different colors on leaves or flowers .

他表示，公元前三千年留下的遗迹中有类似心型的图案，但这些图案是代表长春藤或无花果叶片，而非心脏。

He says that there are relics1 resembling the heart shape from 3000 BC , but these shapes stood for ivy2 or fig3 leaves , not the heart .

漾濞核桃叶片基因组DNA的两种提取方法效果比较

Comparison on Effect Between Two Methods of DNA Extraction from Leaves of Juglans sigillata

目的测定银杏叶片中萜类内酯银杏内酯A，B，C及白果内酯的含量。

Objective To determine the content of ginkgolide A , B , C and bilobalide in the Ginkgo tablet .

Fe含量为根>叶片>主干韧皮部、新梢>主干木质部；

Fe content was root > leaf > trunk phloem and vegetative shoot > trunk xylem ;

去根削弱叶片的同化功能，但促进~（14）C同化物向余留根系的运转。

The root cutting weakened the leaf assimilation efficiency and promoted the translocation of ~ ( 14 ) C-assimilates to the remaining roots .

低温对辣椒叶片POD同工酶和可溶性蛋白质的影响

Effect of Low Temperature on POD Isoenzyme and Soluble Proteins in Pepper Leaves

低温对番茄叶片POD活性及其同工酶的影响

Effect of for Temperature on POD Activity and Its Isoenzyme in Tomato Leaves

低温胁迫对高原水稻幼苗叶片超氧物歧化酶（SOD）活性的影响

Effect of Low Temperature Stress on Superoxide Dismutase ( SOD ) Activity of Plateau rice Seedling Leaves

PP（333）对水稻叶片衰老过程中内源GA4和ABA含量的调节作用

Regulation of pp_ ( 333 ) on endogenous ga_4 and ABA levels in rtce leaf senescence

采用NURBS的某级透平叶片全三维气动最优化设计

Aerodynamic 3-Dimensional Optimal Design by NURBS of a Certain Stage Turbine Blades

小麦叶片中POD酶带变化主要集中在52～146kD间；

The MWs of peroxidases in wheat leaves are mainly between 52 kD to 146 kD .

利用PROSPECT模型和实测的玉米叶片光谱数据，得出了叶肉结构参数N，从而模拟了在不同的叶绿素和水分含量下玉米叶片的光学特性；

In this study using PROSPECT Model and in situ optical measurement of corn leaf , mesophyll structure parameter N of different growth phase as calculated .

镍基单晶合金涡轮叶片蠕变分析的MARC用户子程序开发

Development of MARC User Subroutine for Creep Analysis of Nickel-based Single Crystal Blade

这说明，pH值为5.8的酸性培养基和喜树叶片薄壁细胞内的酸性成分自泌可能共同诱导了其细胞壁的酸性降解。

This indicated the medium of pH 5.8 and the secretory acid component in parenchyma cell in C. acuminata leaf both induced the cell wall degradation .

叶片的气孔导度各降低79.6%和29.4%，胞间CO2浓度降低22.3%和2.5%。

The leaf stomatal conductance of the infected plants dropped by 79.6 % and 29.4 % , the intercellular CO2 concentrations by 22.3 % and 2.5 % .

MODIS植被指数与水稻叶面积指数及叶片叶绿素含量相关性研究

Correlation analysis of simulated MODIS vegetation indices and rice leaf area index and leaf chlorophyll content

烟草叶片游离态多胺与抗TMV关系探讨

The Study of Relationship Between Free PAs and Resistance of Tobacco to TMV

同时UV-B辐射植株叶片有较低的光能转化效率，其较对照低39.1%，叶片亦含有较低的叶绿素含量。

The UV B treated plants also had lower efficiency of light energy conversion and chlorophyll content .

利用花粉管通道法将叶片衰老抑制基因P（SAG12）-IPT导入普通小麦的研究

Studies on Introduction of Leaf Senescence-inhibition Gene P_ ( SAG12 ) - IPT into Common Wheat through Pollen-tube Pathway

H2O2的组织原位检测及定量检测表明，在大豆疫霉与大豆的亲和及非亲和互作过程中、病原菌菌丝和游动孢子侵染都能引起寄主叶片的活性氧迸发。

By in situ and quantitative assays of H_2O_2 accumulation , oxidative burst was detected in soybean leaves infected by P. sojae during both compatible and incompatible interactions .

RT-PCR分析表明它们在叶片、花瓣以及不同时期的花蕾中都有表达，在幼果中没有表达。

RT-PCR analysis indicated they expressed in the leaf , petal and flower buds during different stages , while not expression in the immature fruit .