Serum C-P level was positively correlated with BMI.

血清c -肽水平与体重指数呈正相关。

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The serum P level was determined by radioimmunoassay.

采用放射免疫法测定大鼠血清P水平；

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The P level declined slightly, and then rose up slowly.

而P含量则先略为下降，之后慢慢回升；

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At this point, we have no other choice but to double up before going to the next energy level, 2px so we'll put a second one in the 2 p x.

在这点上我们没有其他选择,而只有双倍填充,在到下一个能级之前，所以我们放入第二个电子至。

麻省理工公开课 - 化学原理课程节选

Basically if you have a number that's P in this case, than the number is lower then that shows increasing level of statistical significance.

基本上如果P,这幅图里的数比0.05更小,数字越小,表示统计学显著性越大

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The threat level was raised from elevated to high at 8 p.m. on March 17, when U.S. President George W. Bush gave Saddam Hussein 48 hours to step down as the leader of Iraq.

CNN: Terror threat lowered to Yellow