Their initial calculations and scale-model wind-tunnel experiments convinced them they wouldn't need a strong wind to lift the 33.5-tonne column.
他们最初的计算和风洞比例模型实验使他们确信，不需要强风就能提起33.5吨的柱子。
As these experiments show, begging apparently provides a signal of need that parents use to make judgments about which offspring can benefit most from a feeding.
正如这些实验所显示的，乞求显然提供了一种需要的信号，父母可以利用这种信号来判断哪些孩子能从喂食中获益最多。
To understand their experiments, we first need a crash course in genes and embryos.I'll try to make it quick.
为了理解他们的试验，我们首先需要一堂在基因和胚胎方面的速成课，我将试着很快对此作一阐述。
To understand their experiments, we first need a crash course in genes and embryos. I'll try to make it quick.
为了理解他们的试验，我们首先需要一堂在基因和胚胎方面的速成课，我将试着很快对此作一阐述。
MIT has undertaken a variety of experiments in Educational technology. But we really feel at this Point of time we need some sort of coordinate strategy.
麻省理工做了许多不同的，教育技术的实验，但我们觉得，现在我们需要一些协调的战略。
They may need a dedicated WebSphere Application Server instance, or entire cell, for their experiments.
他们可能需要专门的WebSphereApplicationServer实例或整个单元来进行试验。
"Undergraduates of some majors need to do a lot of experiments in the lab," said Ge, who spends six hours per week in the lab.
每周会在实验室里呆足六小时的葛星说：“一些专业的本科生要在实验室中进行许多的实验。”
You can't do these chemistry experiments all day long. You certainly need a change of pace.
你不能整天做这些化学实验，你必须要改变下节奏。
A kind of high frequency pulse electrical source at the need of electromagnetic ultrasonic experiments is presented.
针对电磁超声实验对脉冲电源的需求，研制了一种高频脉冲电源。
Flavor enhancer acidity agent and sweetening agent which are in need of fermented chilli were determined through a serial contrast experiments.
通过一系列对比实验分别确定调配发酵辣椒风味所需要的鲜味剂、酸味剂和甜味剂的种类及其比例。
Designed experiments require some up front planning to be successful. You need to decide on a number of things even before you can choose the right design to use.
设计实验首先需要进行正确的计划，在开始正确设计之前，需要决定以下问题。
It is easy to use a water level to measure things, but you need to do many experiments before mastering it.
水准仪的测量方法很简单，但也需要通过多次的实践才能够掌握。
As a project of 'big science', earthquake prediction experiment has provided lessons and experiments in many aspects, which need to be analyzed systematically.
作为一类“大科学”项目，地震预测试验场的经验和教训值得认真总结。
As a project of 'big science', earthquake prediction experiment has provided lessons and experiments in many aspects, which need to be analyzed systematically.
作为一类“大科学”项目，地震预测试验场的经验和教训值得认真总结。
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