By using the complementation test an unknown mutant can be rapidly assigned to a particular gene.采用互补测验可迅速地将某一未知突变型归属于某一特定基因.When the cells were then shifted to an enriched medium, the mutant cells proliferated.然后,当细胞移入一...
A bright shooting star, or meteor, is an unforgettable sight.明亮的流星，或者说陨石，是番难忘的景象。The shooting-range is lit from underneath by rows of ruby-red light fittings.射击场被一排排深红色的灯光设备从下面照亮了.The shooting of The Maltese Falcon proce...
The morphology of abnormal graphites has the three - dimensional interconnection net like structure.异常石墨的形态表现出相互联结的立体网络状.The micromor - phologies and microstructures of several typical types of graphites were investigate...