I前的“+”号不是表示加,而是表示+后的因式要包含在模型之中。
The "+" signs in front of the I calls indicate not addition, but that the factor following the + should be included in the model.
华盛顿特区的风湿病学家、曾任美国医疗协会(American Medical Association)前董事长的斯加列托(Raymond Scalettar)表示,他有一句话奉劝大家:患者能为自己做的比医生能够为患者做的更多。
'I have a mantra: You can do more for yourself than I can do for you,' says Raymond Scalettar, a Washington, D.C., rheumatologist and former chairman of the American Medical Association.
华盛顿特区的风湿病学家、曾任美国医疗协会(American Medical Association)前董事长的斯加列托(Raymond Scalettar)表示,他有一句话奉劝大家:患者能为自己做的比医生能够为患者做的更多。
'I have a mantra: You can do more for yourself than I can do for you, ' says Raymond Scalettar, a Washington, D.C., rheumatologist and former chairman of the American Medical Association.
TS And that is G, u plus pV minus TS.
用G来表示,u加pV减去。
The typical vector is called V or A or B something with an arrow on it.
表示矢量时一般在,字母 V,A 或者 B,上面加个箭头
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