stem是什么意思

网络释义

用法例句

The utilization feasibility of the roots and stem of saline Allium chinense G.

对藠头生产加工中产生的根、柄的利用进行了初步探讨。

Taking the operation,aesthetics,techniques and marketing elements into consideration,the design applies the principle of ergonomics to realize the redesign idea of pan handle and come up with the best design approach and experience of the pan handle-related products.

作为人机界面的锅柄,是锅具设计的重要环节。

Based on textual research of historical documents; this present paper affirms that the direction of the handle of the Great Bear which was used to ascertain the season in ancient China had two criterions;namely the nine stars of the Great Bear and the seven stars of the Great Bear.

该文通过文献考证，确认中国上古以北斗定时节的斗柄指向，有北斗七星和北斗九星两个标准，均作为初昏斗柄下指为冬至、上指为夏至的依据。

Design of the crank of involute energy saving pumping unit.;

渐开线节能抽油机曲柄设计与研究

CAD for Crank-Piston of NT 2135 Diesel Engine;

NT2135柴油机曲柄活塞机构计算机辅助设计

The design conditions of crank rocker mechanism with non-quick return characteristic;

无急回特性的曲柄摇杆机构的设计条件

After making a FEA analysis to a Tiller, it was found that the main stress is located at the fork of the tiller, and there is less stress at the center of the tiller.

通过对舵柄进行有限元分析,发现舵柄叉部应力集中比较明显,而圆柱形中部应力较小。

Interaction between tiller and draw bar in a vessel was studied.

某船边舵柄设计时所取的舵杆与拉杆轴线距离不足造成舵柄与拉杆之间产生干涉现象,为此在舵柄上切削出一个平面,为了保证该哈夫边舵柄在设计载荷作用下有足够的强度,采用有限元方法对其结构强度进行直接计算和校核。

After making a FEA analysis to a Tiller,it was found that the main stress is located at the fork of the tiller, and there less stress at the center of the tiller.

通过对舵柄进行有限元分析,发现舵柄叉部应力集中比较明显,而圆柱形中部应力较小。