加号用于加法;减号用于减法.The plus sign is used in addition and the minus is used in subtraction.一元减号得到的运算对象的负值.The unary minus produces the negative of the value.如果该整数是负值, 那么将使用减号作为前缀.If the integer is negative, the representation ...
All 100 senators agree to a postponement.100位议员全都同意延期。Pressure built yesterday for postponement of the ceremony.要求推迟仪式的压力昨天进一步增大。Pressure built yesterday for postponement of the ceremony...要求推迟仪式的压力昨天进一步增大。The postponeme...
AIM : To study preparation of strychnine solid liposome.目的: 探讨番木鳖碱固体脂质体的最佳制备方法.OBJECTIVE To study and improve the synthesis of liposome excipient phosphatidyl ethanolamine.目的研究并改进脂质体辅料磷脂酰乙醇胺的合成工艺.Objective To study effec...