求翻译：在一个美国公司中作研究工作，是组长。手下管了三四个博士硕士。年终到了，令她头疼的老问题又来了，得给手下的人写鉴定。分四个等级，杰出的，优秀的，一般的和不及格的。是什么意思？

For research work, is the head of an American company. Men tube three or four doctors and masters. The end of the year, she had a headache again, have to give his men to write the identification. Divided into four grades, outstanding, excellent, in general, and failed.

In one of the United States for research work in the company, is a leader. His tube of 34 doctoral students. Year-end, and the order of the headaches she has come, to give his people write. A 4 rating, excellent, excellent, and the general and does not pass.

Does the research work in American Corporation, is group leader.Under has managed 34 doctors master.The year's end arrived, makes the unsolved problem which she has a headache to come, must give under person to write the appraisal.Divides four ranks, outstanding, outstanding, general and does not pa

In the United States for research work in the company, is the leader. Pipe under a three or four-master Dr. End of year to, give her a headache to the old problem of, have to tell people to write identification. Divided into four levels, outstanding, excellent, and generally failed.

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