but the ideal case will be discussed to illustrate the straightforward age-dating technique.The time since groundw ater recharged ( left the atmosphere) can be calculated if w e know the original recharge concentration of a radioacctive isotope ( N0) ，its associated half-life ( T1...
NJW0281G/NJW0302G是To-3P封装的NPN(NJW0281G)及PNP(NJW0302G)的大功率功放对管。它们的参数分别是:Vceo、Vcbo、Vcex为250v,Vebo为5v,Ic为15A,Ib为1.5A,Pd为150w,Tj、Tstg为-65to~+150℃,hfe为75~150,ft为30m。具体详情见附图：攻放对管，是对乙类互补推挽功率放大器，或甲乙类互补推挽...
清唱和带伴奏唱是两回事 楼上说的也不对，这个与合成处理没有任何关联。你想，清唱的时候，想起多高的音，这个key是完全由你自己定的。但是伴奏的key是固定的，当你清唱的key与人家不一样的时候，当然合不上了啊~不走调说明你的音准把握的挺好的，但是这个与伴奏合得上还是两回事的~~你的key应该...
while some others asked a lower threshold on entrance and also lower requirements on the graduation. In this case, I also want to know weather your school has the intention to cooperate with Chinese schools on this kind of cooperation or not, including the course for both undergradu...
3.how should you prepare for a job interview?4. learn to walk before you can run 5. the difficulties of finding a job after college graduation 6. my views on the expansion of college eollment 7. my ideal english teacher 8. in life, it is attitude that matters most.9. ...
One day, these three individuals came together to prepare a new case for an audition when he suddenly found themselves similar goals, so quickly become partners; addition to leave their own fortunes out of Kevin, Brian, 5 full of the ideal composition of a beautiful young co - sound band ...
Some specialized ships, such as submarines, use nuclear power to produce the steam. Recreational or educational craft still use wind power, while some smaller craft use internal combustion engines to drive one or more propellers, or in the case of jet boats, an inboard water jet. In shallow ...
(1)表示列举的有:firstly,secondly,thirdly,finally,in the first(second,third)place,to begin with,to start with,first of all,next,also,after that,then等。 (2)表示举例的有:for example,for instance,to illustrate,as an illustration,such as,as a case in point,one example is that?等。 (3)表...
What I value, on the other hand, in the German political system is the more extensive provision that it makes for the individual in case of illness or need. The really valuable thing in the pageant of human life seems to me not the political state, but the creative, sentient individual,...
20)The same is true of many cases in life.(用于举例说明文)21)Now， let‘s see what would happen to……in this case/light(或in different conditions/circumstances)。(用于分析建议类议论文和对比说明文)22)Perhaps， it is ideal/high/ripe time for us to tackle/...