我们现在推导这个不等式的另一种有用形式.We derive now a useful variant of that inequality.因上述不等式不能成立,所以不能采用串行进位同步计数器.Since the above inequality is not satisfied a serial - carry synchronous counter can not be used.问题中,一种表示若干变量相互关系的方程(式)或不等式...
Such material can confine water in an artesian aquifer.这样的介质能把水控制在承压含水层中.Sometime the term artesian is used to denote a confined aquifer.有时候人们也用自流含水层这一术语表示承压含水层.Chemically, elements like ? artesian ( potassium ) and alum...