希尔弗瑟姆邮政信箱222号，荷兰广播电台Radio Netherlands, PO Box 222, Hilversum他们用木板草草地做成了两个粗糙的信箱.They knocked together two rough mailboxes with wooden boards.信箱里塞满了信件.The box was crammed with letters....
It can be used as anti - counterfeiting printing by adjusting screen function.通过调整加网网点函数,起到防伪作用.I am calibrating radio direction finder or adjusting compasses.我正在校准无线电测向仪或校正指南针.The alternating current was sent to the inp...
Only differences in enthalpy are of practical engineering interest.在实际工程上有意义的只是热含量之差.A change in enthalpy also takes place when a change of phase occurs.相发生变化时,焓也发生变化.The enthalpy is constant in the throttling process.节流...
The rough of the joint suface is modeled as a series of irregular shaped, triangular asperities.典型节理面的粗糙形貌可以模拟为一系列非规则的 、 齿形凸台形貌.Often dance can you bring about knee joint motile to injure?经常跳舞会导致膝关节运动型损伤 吗 ?He carved the...
The hydrocarbon content of this phosphate ore provides most of the heat needed for the calcination.这磷矿所含烃量能提供锻烧所需的大部分热量.A series of niobium acids at different calcination temperatures was prepared.在不同焙烧温度下制备了一系列固体铌酸催化剂.T...