Magnetron is often used as microwave power source in clinical linac magnetron.在医用直线加速器中通常都采用磁控管作为微波功率源.The AFC system of LINAC , based on the Embeded - system, is studied in the paper.本论文重点研究的是嵌入式系统在电子直线加速器 磁控管 频率自动跟踪控制中...
The lower dislocation density in bainite is unfavourable for the aggregation and coarsening of carbides.贝氏体中位错密度较低,不利于合金碳化物的聚集粗化.He makes unfavourable comparisons between British and French cooking...他认为与法国菜相比，英国菜相形见绌。Un...
A field of burning grass is billowing thick black clouds of smoke into the sky.一片燃烧着的草冒出的滚滚黑烟直冲云霄....thick plumes of smoke billowing from factory chimneys...工厂烟囱冒出的滚滚浓烟The national flag is billowing in the breeze.国旗在微风中飘...