如果在定义阵列类型时没有明确其最大基数值，那么可省略。

If, when defining an array type, there is no clear value for its maximum cardinality, it can be omitted. This step is shown in the listing below.

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干细胞生物学中最重要的问题之一就是要明确其自我更新的调节机制。

One of the most important issues in stem cell biology is understanding the mechanisms that regulate self-renewal .

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任何有意加入“智能车队”的车辆必须明确其目的地，从而辨识出附近某一合适的车队以加入并沿准确方向前行。

Any car wishing to join a platoon would specify its desired destination, making it possible to identify a nearby platoon heading the right way.

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It is a transnational idea, in other words, which nevertheless has, obviously, certain specific applications depending on where it is.

这是一个跨国的概念，但是很明显，它也有其明确的地区性。

耶鲁公开课 - 文学理论导论课程节选

It tells you that any attempt to try to specify, to localize the position of an electron in such a system is futile.

这说明你试着任何尝试关于，使一个电子在这样一个系统中,确定其明确的位置是没有意义的。

麻省理工公开课 - 固态化学导论课程节选

I ask you for the running time of this algorithm and you give me the running time in terms of the running time, right.

我需要得到此算法的时间复杂度,那就明确地给出其,运行时间。

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