Therefore, it is important to study by test on the mixing ratio and emission of diesel engine running with liquefied petroleum gas.

因此，通过试验研究柴油机燃用液化石油气的掺烧比和排放量，具有重要意义。

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Confronted by a setback such as a disappointing test grade, students with a growth mind-set said they would study harder or try a different strategy.

当面对挫败，例如不理想的成绩时，具有成长型思维模式的学生表示他们会更加努力地学习，或是尝试一些不同的学习策略。

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Yet a 2001 study found that secondary schools with traditional schedules had higher test scores by comparison.

可是2001年的一个研究发现使用传统课时设置的中学相对而言考分更高。

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So tens or hundreds of millions of dollars would go into a study like this by the time it was completed, money that could have been used for other things, to test whether eating a low fat diet would reduce risk for breast cancer.

数以百万计的美元,投入到这样的研究,当研究结束时,本可以用来做其他事情的钱,被用来检测是否低脂膳食,可降低患乳腺癌风险

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Someone could study for the naturalization test by memorizing phrases without understanding at all what they mean.

CNN: Citizenship isn't about passing a civics test

An especially significant 2011 study, reported on by Live Science, found that chewing gum before taking a test improved performance, but chewing gum throughout the test did not.

FORBES: Chew Yourself a Better Brain

By contrast, the more complex National Assessment of Educational Progress test is designed to study average performance.

FORBES: Are We Spending Too Much On Education?