证明是

Although some fifteen Divisions were tasked with defending the line during its life, this set of four figures specifically represent Gebirgsjger or Mountain Infantry troops.

只有18辆突击虎被制造出来，它们在战争中起到的作用非常有限，突击虎证明是卓越的防御性武器，但是行动缓慢且机械可靠性不高。

By the new process,heavy forging is cooled symmetrically by both upper and lower planes and set up one dimension temperature field and then indentations are given symmetrically by both upper and lower flat anvils.

这些方法中的中心压实法，又称冷壳锻造法，或JTS法，对锻合锻件内部缺陷，已被证明是一种有效的锻造方法[4 ，5] ，且在锻造大型转子、汽轮机主轴等大锻件时常被采用。

We have to know what we are looking for first and most attempts to define humanity on the basis of observable characteristics prove in the end arbitrary and cramping3, as 10rig arguments about 'apemen' and 'missing links' have shown.

我们必需明白我们首先要寻找什么，并且，基于可以观察到的外部特征来界定人类的多方尝试最终都会被证明是武断的和有限的，正如有关&猿人&和&缺少的一环&一样长期争论不休的情况所显示的那样。

Secondly, the interviewee should demonstrate his or her aptitudes and skills to prove to be competent for the job.

其次，应表现出采访他或她的能力和技能，以证明是胜任这项工作。

The new method proved to be correct and efficient after testing many complex chaotic attractors.

该方法经过许多复杂混沌吸引子的验证，并被证明是正确和有效的。

Mr. Sokol and the other MidAmerican managers proved to be tough bargainers.

索科尔和中美公司的其他管理者被证明是谈判高手。

In the end,Tim Barrows's"gift of life"proved to be a remarka-bly generous one.

最后，蒂姆·巴罗斯的&生命之礼&被证明是一件异常慷慨的礼物。

Bird feeders and a few birdbaths also prove to be appealing additions.

饲鸟和几个birdbaths也证明是有吸引力的增补。

His plan to introduce his innovations into the Catholic cantons by force had proved abortive.

他计划引进他的一大创举到天主教各州以武力已证明是白费了。

In a comparison trial, this combination proved to be as effective as cimetidine, a common drug used to treat GERD.

在对比试验，这种组合被证明是有效的西咪替丁，一个共同的药物用于治疗胃食管反流病。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。