根据所使用波长范围不同,光电光谱仪可分为真空型和()类。
参考答案:非真空型
______, he always makes time for his family.
A.No matter he is busy
B.No matter how busy he is
C.However he is busy
D.However busy is he
近日,国务院正式批准设立中国(上海)自由贸易试验区。试验区范围涵盖()等海关特殊监管区域,总面积为28.78平方公里。()
A.上海市外高桥保税区
B.外高桥保税物流园区
C.洋山保税港区
D.上海浦东机场综合保税区