查询词典 nail down

That's an evocative concept, but a hard one to nail down.

这是一个耐人寻味的概念，我们来看看设计师的表现。

The usual test for visual acuity, the letter eye chart, may not, however, reflect the true nature of visual loss, says the American Academy of Ophthalmology. Other tests-which measure glare sensitivity, contrast sensitivity, night vision, color vision, and side or central vision-help nail down the diagnosis.

美国眼科学会表示，通常用于视力检查的字母检查表可能不能正确的反应视力的下降的原因，其他的检查，如检查眼镜的光敏感度，对比敏感度，夜视能力，侧视觉和中心视觉可以确诊是否患病。

Scientists say they'll next try to nail down whether macaque lead levels are indeed predictive of lead poisoning in humans.

科学家们的下一步就是确定猴子体内的铅含量是否与人铅中毒有关联。

Two days isn't enough time to nail down the details of an agreement.

要把协议的所有的细节都确定下来，两天的时间是不够的。

But -- what if you can't nail down exactly what went before?

但是，如果你不能确定之前发生过什么呢？

Is there a good way to nail down a steady income? In this economy?

不知道在目前的经济危机下，有什么好的办法能够确保稳定的收入吗？

We should sign a contract with them to nail down their agreement.

我们应该与他们签订合同，把协议确定下来。

If we could just nail down a few more contracts, we'd be all right.

我们如果能再确定几个契约就好了。

In Writing – Once you choose a lender, you need to nail down three important things in writing.

作文一旦你选择了贷款，你要钉下三个重要书面的东西。

Finally the parallel computer has come into being, which provide an approach to nail down the problem.

并行的出现，提供了解决这类问题的有效手段。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。