The default is usually the setting that most users would probably choose.默认选项通常是大多数用户都会选择的设置。The road safety programme is having a demonstrable effect on road users.道路安全方案在道路使用者身上逐渐显现出明显的效果。Users can download their mater...
Adding other groups at the amine stage may be advisable.在胺阶段引入其他基团可能是有好处的.Small cell lung cancer is neuroendocrine neoplasm and origins from APUD ( amine precursor uptake decarboxylation ) cell.小细胞肺癌是神经内分泌肿瘤,起源于APUD ( 胺前...