证明是

Fathoming the intentions of the men in turbans who run Iran has long proved one of the hardest of diplomatic tasks.

考虑到那些执掌伊朗的毛拉们长期以来被证明是外交任务中最强硬的一批人。

Amplitude decoherence is much more sophisticated than phase decoherence. To describe its properties, we develop a method called the short-time perturbative expansions for the state fidelities. This approach is proven to be a useful tool for studying open quantum systems.

振幅消相干要比相位消相干复杂得多，为了完整地描述振幅消相干的特性，我们发展了一种新的处理量子开放系统的方法，即态的保真度的短时微扰展开法，该方法被证明是研究复杂量子开放系统的一个有力的工具。

But the gloomier views on Wall Street may yet be proved right.

但是华尔街的悲观看法也许会被证明是正确的。

Methods: A dental griding instrument was made based on ultrasonic principle with the frequency of 25～45 kHz.

用超声去除剩余的粘结剂也被证明是一种有效的方法[4 ，6 ] 。

His Keynesian instincts (he hails from France's Socialist Party) proved right for the times.

他的凯恩斯主义直觉多次被证明是正确的。

But Meg Hillier said the age range was still "up for grabs" and could be lowered "if they prove popular".

禧但梅格说的年龄范围仍在&为争夺&，并可以降低如果他们证明是受欢迎的。

When it comes to designing electrical plans, the intricacies and complications can prove to be costly factors.

当涉及到电力规划设计，复杂性和并发症证明是昂贵的因素。

The presumption of state control under the rubric of "African socialism" has been junked.

非洲社会主义红字下的国度统治假设已被证明是一堆垃圾。

The presumption of state control under the rubric of "African socialism" has been junked.

非洲社会主义红字下的国家统治假设已被证明是一堆垃圾。

Lemmas could be proved is a major achievement.

引理可以证明是一项重大成就。

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％。