Simultaneously, food production has been constrained by a lack of scientific research.

同时，由于缺乏学，粮食生产也受到了限制。

Some investigative and enterprising jobs, such as scientific research, are, indeed off limits to the degreeless.

一些探型和开创型工作，比如，确实不在无学位者的能力范围内。

Environmental assessment should be scientific research but now they have falsified this.

环境评估应该是一份学，们居然伪造该文件。

Congress funds much of the scientific research done in this country.

国会为全国大多数的项目提供资金。

So this is the part of the collection that gets used primarily for scientific research.

这部分收藏主要用于学。

Papers in this context means the results of scientific research which are published.

在这个语境中，论文指的是被发表出来的果。

These groups provide invaluable funding for scientific research.

这些团体为学提供了宝贵的资金。

51. What does the passage mainly discuss regarding scientific research?

51. 本文主要讨论了关于学的什么问题？

But what it said it was doing was scientific research.

但是日本称捕鲸是为了进行学。

Scientific research shows that it causes many kinds of diseases.

学表明，吸烟能够诱发多种疾病。

However, in most scientific research, chauvinism is a handicap.

然而，在大多数学中，沙文主义是一个障碍。

All of their work is completely supported by scientific research.

们的工作都有很完善的学来支撑。

However, the significance of its effect is up for debate within scientific research.

但学对增肌效果的重要性颇有争议。

But tobacco is also used a lot in scientific research.

但烟草也大量应用于学。

It is part of a U.S. scientific research station at the South Pole.

它是美国南极学考察站的一部分。

More than 50 scientific research stations are based there.

那里有50多座站。

They say that ultimately boosts scientific research and expands space exploration.

们认为，这最终会促进学和太空探索。

That's right. These animals do much more than help in scientific research.

这没错，这些动物在学中所做的不只是一点帮助而已。

He has also been a significant and controversial philanthropist, funding scientific research and failing schools.

曾一度是位举足轻重又饱受争议的慈善家，功建立机构但筹建学校却差强人意。

No military activity is allowed there and scientific research is a priority.

这里禁止一切军事性质的活动，学考察是人们探索这里的首要目的。