运用进化和胚胎学方法建立中国经络的中胚层理论,探讨经络的实质.Method: Apply evolution and embryology to set mesoderm theory of chinese channel.成纤维细胞是来源于胚胎中胚层的间充质细胞.Fibroblasts are mesenchymal cells, which are derived from the embryonic mesoderm.它与胚胎中胚...
编码信号由碟形卫星天线接收。The coded signal is received by satellite dish aerials.塞西尔此时开始慌张起来，连忙发射了两枚遇险信号火箭。Cecil now began to panic and fired off two distress rockets.声音信号可以通过电缆传送而不失真。Audio signals can be transmitted along cables wi...
He has written a speculative biography of Christopher Marlowe.他写了一篇关于克里斯托弗·马洛的推测性传记。The papers ran speculative stories about the mysterious disappearance of Eddie Donagan.各家报纸都刊登了有关埃迪·多纳根神秘失踪的猜测性报道。His mother regarded hi...
Biological systems have been doing this for billions of years.生物系统亿万年来一直都是这样。In recruiting students to Computer Systems Engineering, the University looks for evidence of all-round ability...在招收计算机系统工程专业的学生时，这个大学看重的是学生的综合...
A bridge spanned the rill.一座桥横跨小河。A ditch diverted water from the rill into the fields.一条沟渠把水从河里引向田间.The surface shows deep rill - like folds.表面有深沟槽 状 起伏褶皱.From a practical standpoint, rill erosion forms small channels.从...