Methods: The target compound was prepared through a four - step reaction from 4 - bromophenol .方法以 4- 溴苯酚为原料,经4步反应制得目标化合物阿达帕林.A sensitive analytical method of bromophenol - like marine flavors has been established using ...
They have proved themselves to be fine sons and daughters of the Chinese people.他们不愧为中国人民的好儿女.The more daughters you get , the wider is the selection for Inc.多收几个, 有挑选些.The two young daughters sat on the bedroom couch wa...
在小齿轮轴轴轭处拆卸万向节扣夹螺栓.Hold the yoke with Wrench 67 Remove the pinion shaft nut and washer.旋转小齿轮轴轭三次或四次.Rotate the pinion yoke three or four times.在传动轴和传动轴轴轭 、 或小齿轮轴轭上作标记, 作安装的参考标志.Mark the propeller shaft and pinion yoke, or...
Music has a special system of notation.音乐有一套特殊的标记法.The following is a notation for relating plaintext, ciphertext, and keys.下面是有关明文 、 密文和密钥关系的表示法.Musical notation was conceived for the C major scale and each line and spa...