查询词典 spring

In order to optimize the spring of the reciprocating pump valve and establish the best spring factor matching, the unsteady opening-closing process of the poppet valve was simulated. The simulation based on computational fluid dynamics approach, and the dynamic-grid technology and User Defined Function was conducted to depict the law of motion of the poppet valve.

采用RNG k-ε湍流模型、动网格技术以及用户自定义程序，对往复泵泵阀的启闭过程进行了非定常数值仿真，得出了不同弹簧因素下、阀门从开启到关闭的过程中，阀芯的升程随时间的变化规律、阀的迟滞关闭时间以及阀芯落座的瞬时速度。

Colorful garden of colorful, light spring green spring vegetable bed, jade-like transparent, Doo-Yan flowers, blooming race, cold wind and opened the Happy蜂蝶; calm sea, fishes fish salty gash of the wind waves,水灵like precious stones, rough waves, one after the other, petrels soar down in the storm clouds; sparsely populated desert, the scorching sun baked the shortage of barren rock, hell dead, Cheng Wang snow from cold water, flowing babble, Ganquan started Oasis of the curtain.

花园里五彩斑斓，融融春光照亮碧绿的菜畦，翡翠般透明，斗艳的鲜花，竞相绽放，泠风吹开蜂蝶的逍遥；大海上风平浪静，丝丝咸风划开鱼儿的波浪，宝石般水灵，汹涌的巨浪，前赴后继，海燕翱翔在乌云压低的暴风雨中；沙漠中人烟稀少，炎炎烈日炙烤着贫瘠的荒石，地狱般死寂，琤王从的雪凉水，潺潺流淌，甘泉拉开绿洲的帷幕。

Periphyton community structure is studied in this paper by means of taking glass-medium as artificial substance to attract periphyton that is fixed in the Maocun epikarst spring water and in sand-shale fissure spring water.

用载玻片作人工基质，放置在桂林毛村岩溶生态试验场碳酸盐岩分布区表层岩溶泉水和砂页岩区裂隙泉水中，开展着生微型生物群落结构研究。

During the Spring Festival ,every family pasters the Spring Fest ival couplets on their doors to express sincere blessings and good wishes.

春节期间，每家每户都在门口张贴春联以表达真诚美好的祝愿。

The two primary types of pressure plate assemblies are coil spring assembly and diaphragm spring .

有两个基本类型的压盘是螺旋弹簧组压盘和膜片弹簧压盘。

The stiffness of Air spring suspension can be controlled through adjusting air pressure in air spring and the expected characteristic curve can be obtained.

空气弹簧悬架可以通过对空气弹簧刚度的调节和控制，得到较为理想的悬架特性曲线。

A spring gauge can be used to measure the spring pressure .

弹簧计用来检测弹簧压力，可弯曲断电器臂弹簧进行调整。

Spring pressure can be tested with a spring-tension tester.

可使用弹簧弹力计进行检测。

Wind speed fluctuates obviously in both winter and spring. Air pressure increased in winter and spring.

冬春季节风速都呈波动性变化，而气压都呈上升态势。

Until recently it was assumed that a certain amount of toe spring was necessary to enable the wearer to proceed by a forward rolling action at the joint, but recent studies have challenged this assumption and many now believe that excessive toe spring actually inhibits the foot's natural ability to push-off using the toes.

以前观点认为一定程度上倾对穿着者的前倾动作是必要的，但是最近的研究正在挑战以前的假设，很多人相信过多的上倾实际上将对趾部作前倾运动时起抑制作用。***个人觉得近几年的鞋头不像以前的那么翘了。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷