To the propelling pencil there is a matching ballpoint pen with a smooth rotary action.

The outer wings , tail and propellor have been removed from the aircraft.

这架飞机的外翼 、 机尾和螺旋桨已经被拆除了.

The wind propels a sailing boat.

风推动帆船前进.

Something , such as an explosive charge or a rocket fuel, that propels or provides thrust.

在导弹和火箭的推进系统中氧用作液体燃料的氧化剂.

Self-doubt is not one of the qualities that propels them to the top.

自我 怀疑并非是将他们推上高层的素质之一.

A kangaroo , unlike a horse or a dog, propels itself by pushing with its tail.

袋鼠, 和马不同,和狗不同, 袋鼠靠尾巴推动前进.

The development of economic globalization directly propels the trend of legal globalization.

经济全球化的发展直接推动了法律全球化趋势.

The propels the body forward, rather than upward, with less fatigue.

前步幅带动身体前进, 而不是向上, 这样不容易疲劳.

It is the primordial force that propels us forward.

它是推动我们前进的原始动力。

Steam propels this ship.

蒸汽推动这艘船前进.

The development of component technology propels the development of Distributed Object Technology.

组件(软构件)技术的发展进一步推进了分布式对象技术应用的发展.

Without regard for outside circumstance, a twist of the key propels me onward.

无论外在情况如何, 轻轻扭动钥匙就带领我前进.

Fig . 2. Two reactor design for ammoxidation of propene. Completeseparation of air and propene plus ammonia.

图2, 丙烯氨氧化反应的两个反应器设计. 空气和丙烯氨气混合物的完全分离.

Admixture of a SiO 2 carrier, however, decreases the propene selectivity somewhat.

然而, 二氧化硅载体的掺加稍微降低了丙烯的选择性.

If these two groups have equal spending propensities, there is no aggregate impact.

如果这两群人具有相同的消费倾向, 总体来看就没影响了.

This paper regarded AFT as a criterion to estimate slagging propensities.

文中以灰熔点作为判断煤灰结渣倾向的标准.

Little girls have a propensity for playing with dolls.

小女孩有玩洋娃娃的习性.

His propensity for [ toward ] wonder and adventure was growing constantly.

他对惊奇、冒险的 癖好 与日俱增.

A high marginal propensity to consume increases the effect of any expansion in autonomous spending.

3一个高的边际消费倾向增大了任意的自发支出扩张的影响.

Most boys have a propensity for playing with machinery.

一般的男孩子都有玩机械的习性.

Propensity score matching was used to adjust for differences in baseline health status.

运用匹配倾向评分校正对于初始健康状态的差异.