To distribute the daily BEO and weekly forecast to each department.
分发每日的宴会通知单和每周的宴会预定表到每个部门。
The coverage of BeO on the specimen surface came from the preferential oxidation of beryllium due to the occurrence of residual oxygen in the vacuum system.
氧化铍在表面的覆盖来源于真空中残余氧气在样品表面的化学吸附，从而导致了铍的择优氧化。
The coverage of BeO on the specimen surface came from the preferential oxidation of beryllium due to the occurrence of residual oxygen in the vacuum system.
氧化铍在表面的覆盖来源于真空中残余氧气在样品表面的化学吸附，从而导致了铍的择优氧化。
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