证明是

These methods have been proved to be very useful.

这种方法证明是很有效的。

It proved to be useful for many other things, though.

它被证明是有益的许多其他事情，但。

Although such simple settings have proven to be valuable to our understanding of spatial phenomena, they offer in general a fairly poor basis for deriving testable predictions (Behrens et al., 2005a).

虽然这些简单的设置都被证明是宝贵的，我们的理解，他们提供的空间现象在一般较差的基础上推导所做的预测(Behrens等，2005a)。

Such belt-tightening had proved necessary even in the months before the rescue.

这样的收紧裤腰带过日子即便在救助后的几个月也被证明是必须的。

For people who are significantly overweight some of the bends may prove to be a difficult task to accomplish.

谁的人明显超重一些弯曲可能被证明是一项艰巨的任务来完成。

Their tricks prove successful, and Beatrice and Benedick soon fall secretly in love with each other.

手法证明是成功的，和比阿特丽斯和Benedick很快下降秘密爱上了对方。

For example, malignant histiocytosis has been shown to be genetic in Bernese Mountain Dogs.

例如，恶性组织细胞增生症已被证明是遗传的伯恩山犬。

In this project, a new thought that the stereoselectivtiy of a biocatalyst could be regulated by "Microenvironment Engineering" approaches, was proposed and its reasonability and feasibility has been established by practice.

本项目提出用"微环境工程"方法调控生物催化剂立体选择性的新思想，并以实践证明是合理和可行的。

Over time, biofeedback therapy has been proven to be a safe method for treating specific health problems.

随着时间的推移，生物反馈疗法已被证明是一个安全的治疗方法的具体健康问题。

Biofeedback has been shown to be highly effective in treating Raynaud's Disease.

生物反馈已被证明是非常有效的治疗雷诺氏病。

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％。