They did not give positive conclusion due to lack of the knowledge of the equation of state of the product.

美国科学家做了这样的检验，但由于缺乏对爆轰产物物态方程的了解，没有能得出肯定的检验结论。

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But the cause of inefficient teaching of literacy is teachers 'lack of the knowledge of science of Chinese characters.

多年来识字教学效率低的根本原因是教师缺乏“汉字学”知识，教学中违背了汉字科学。

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I grew up living in northern rural areas, thinking myself not lack of the knowledge with birds, but for this continuous chirping bird like a soprano, it was also very strange to me.

我从小生活在北国农村，自认为不乏鸟类的知识，但像一个女高音那般、连续啼叫的鸟儿，对我说来还十分陌生。

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The navigators' lack of knowledge led to the loss of four ships and two thousand lives.

VOA: special.2010.07.14

And then, on the top of 3, we get another example: "In other words we've got to get on the ball, darling, what I'm saying, otherwise it'll be fluctuating and lack of true knowledge or crystallization of our plans."

然后，在第三页上面，又有一个例子：,换句话说我们必须去这个舞会，亲爱的，我是说，不然就会变得波动又缺少真知识,或使我们的计划结晶化“

耶鲁公开课 - 1945年后的美国小说课程节选

to express a lack of complete knowledge about the multitude of subjects.

它可以用来表达你对一些话题并不完全了解。

I don't know 课堂 - SpeakingMax英语口语达人

This illustrates the imperfect-information nature of the game, and the lack of common knowledge about others.

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The lack of technological knowledge is the reason for the wide disparity between the rich and the poor nations today, because the rich nations are getting richer much faster than the poor nations due to investment in technological knowledge, the gap will continue to widen.

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But for now, brand marketers still have a lack of confidence in the Hispanic market that is in direct proportion to their lack of knowledge about the community.

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