讨论了采用不同的电磁多极场作为动态校正器的可能性.推导了圆形校正透镜、偏转校正场和四极、六极校正场引起的附加象差的公式. The possibility of dynamic aberration correction by using electro - magnetic multipole fields is discussed.
Factitious what can remove gallinaceous skin ( gallinaceous a knot in one's heart )?人为什么会起鸡皮 ( 鸡疙瘩 )?Remove caliper flex hose brackets from the frame rails.从车架的轨道拆卸弯角器折曲软管支架.Its real, undeclared purpose was to remov...
Don't take on more responsibilities than you can handle.不要承担过多的责任。Clear the decks before you think of taking on any more responsibilities.在考虑承担更多责任之前一定要先料理完手头的事。The danger is that recalcitrant local authorities will...