...以全 面了解肿瘤组织的增殖分化指标、耐药和凋亡基因 等生物学特性, 相比国际预后指数( International Prognostic Index , I PI) 等临床指标更能预测患者对 治疗的可能效果和预后生存状况,因此可为临床选 择治疗方案时提供更为精确的...
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我选了圆周率的符号。
I wanted to choose 3, 7, 22 or 227 because they are used when estimating PI, but some other students must have had the same idea.
我想选3、7、22或227,因为在估计圆周率时要用到它们,但其他一些学生肯定有同样的想法。
Gabriella: I’m sorry, I was just... Uh... Shouldn’t the second equation read 1 6 over pi?
凯碧:对不起,我只是……嗯……第二个等式的结果不是应该等于16除以π么?
1.77245... I don't want to knowwhat the square root of pi is.
VOA: standard.other
There's absolutely no reason I couldn't have switched it around and said that instead the pi orbitals form between these atoms instead of those first atoms I showed.
我完全没有理由,不能把它转过来,现在π键在这些原子间,而不是我开始展示的那些原子间。
The reason that I wanted to point out this nodal plane here is because this is why it is called a pi orbital.
我指出这个节面的原因是因为,它就是为什么这个叫做π轨道的原因。
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