题目内容
（请给出正确答案）
A.what is the person over there
B.who's talking over there
C.what are they doing
D.which is that
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更多“- Paul,（）?- Oh, that's my fath…”相关的问题
A.Ω={TH,TTH,…}
B.Ω={T,TH}
C.Ω={T,TH,TTH}
D.Ω={H,TH,TTH,TTTH,…,T…TH, …}
A.A. June7 th
B.B. February14 th
C.C. The 7 th day of the seventh Chinese lunar month
D.D. The 14 th day of the second Chinese lunar month
A.thy
B.thích
C.chn
D.trng
一低频功率晶体管LM3886，由手册查得R(th)jc=1℃／W，R(th)ca=36℃／W，TjM=165℃，装置散热片后，若R(th)cs=0．5℃／W，R(th)sa=1．5℃／W，试求Ta0=25℃及Ta=60℃时采用散热片前后的最大允许管耗PCM，并进行分析。
To : __________________________________________________ Date: 29 th January Time:10:00 Message Note From: ________________________________________________ Company: ____________________________________________ Telephone number: _____________________________________ Message: _____________________________________________ Taken by : _____________________________________________
