There was a clear relationship between the difference of DNA synthesis rate and the polarity of the embryo.

体细胞胚中各细胞DNA合成速率的差异与体细胞胚形态学极性存在明显的相关性。

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Use natural mapping. Natural mapping is a clear relationship between what the user wants to do and how to do it.

使用自然映射。自然映射清楚表示用户想做什么和如何做的关系。

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"First, there is a clear relationship between having multiple strokes and the risk of dementia," Pendlebury said.

“首先，多次中风与患痴呆的风险两者间有着明确的关联，”Pendlebury说。

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"This was a very important trip that both President Obama and I wanted to make early in the administration to send a very clear message that the Obama administration is committed to developing an even stronger and closer relationship with, not just the governments, but especially the peoples of Africa,"

VOA: standard.2009.08.16

The business Zionism never got round to finishing was to hammer out a clear relationship between nation, state, land and religion.

ECONOMIST: Israel at 50

No conclusive evidence, however, to substantiate a clear relationship between the 65-year reduction in the top statutory tax rates and economic growth.

FORBES: Academics Have Spoken, And Obamanomics Is The Path To Slow Growth

All too often, a clear relationship between pay and performance that may be very motivating becomes blurred and unclear because of secrecy.

FORBES: Pay Secrecy: Why Bother?