A、ni是任一能级上分布的粒子数
B、N代表系统中的粒子总数
C、Q是粒子的各个能级的有效状态和或有效容量和
D、gi是εi的统计权重
E、gi·exp（-εi/kT）是能级εi的有效状态数.
更多“ 对公式<img src="https://nimg.ppkao.com/2018-08/wangjing/2018082817304717048.jpg?sign=5de6af156f8c082cbb70648f96962c5b&t=62d0bb6b" />中有关符号意义的说明中，不正确的是（）”相关的问题
A、A.<img src="https://img.ppkao.com/2017-12/zhangyijie/2017121110262823375.jpg" />
B.<img src="https://img.ppkao.com/2017-12/zhangyijie/2017121110263198506.jpg" />
C.<img src="https://img.ppkao.com/2017-12/zhangyijie/2017121110263591034.jpg" />
D.<img src="https://img.ppkao.com/2017-12/zhangyijie/2017121110263838336.jpg" />
A、A.<img src="https://img.ppkao.com/2017-08/zhangyijie/2017082710372416973.jpg" />
B.<img src="https://img.ppkao.com/2017-08/zhangyijie/2017082710372960187.jpg" />
C.<img src="https://img.ppkao.com/2017-08/zhangyijie/201708271037339403.jpg" />
D.<img src="https://img.ppkao.com/2017-08/zhangyijie/201708271037387388.jpg" />
A、在牛顿-柯特斯求积公式：<img src="https://img.ppkao.com/2019-05/wanxiaokui/2019051614474078173.jpg" />中，当系数<img src="https://img.ppkao.com/2019-05/wanxiaokui/2019051614472994714.jpg" />是负值时，公式的稳定性不能保证，所以实际应用中，当（）时的牛顿-柯特斯求积公式不使用。
A、A.αK=<img src="https://img.ppkao.com/2018-07/yiyu/2018072215152964877.jpg" />
B.αK=1.645<img src="https://img.ppkao.com/2018-07/yiyu/2018072215153571775.jpg" />
C.αK=<img src="https://img.ppkao.com/2018-07/yiyu/2018072215154343559.jpg" />
D.αK=1.645<img src="https://img.ppkao.com/2018-07/yiyu/201807221515484742.jpg" />
A、A.S＝P+Q
B.<img src="https://img.ppkao.com/2018-08/lina/2018083117500491800.jpg"/>
C.<img src="https://img.ppkao.com/2018-08/lina/2018083117500988874.jpg"/>
A、A.<img height="31" src="https://img.ppkao.com/2018-08/longzhengxuan/2018082011084972801.jpg" width="43" />
B.<img height="42" src="https://img.ppkao.com/2018-08/longzhengxuan/2018082011085498333.jpg" style="width: 49px; height: 33px;" width="45" />
C.<img height="40" src="https://img.ppkao.com/2018-08/longzhengxuan/2018082011085966126.jpg" width="71" />
D.<img height="25" src="https://img.ppkao.com/2018-08/longzhengxuan/2018082011090399902.jpg" width="60" />
A、A.<img src="https://img.ppkao.com/2017-07/xieqiushi/2017071114514611283.jpg" />
B.<img src="https://img.ppkao.com/2017-07/xieqiushi/2017071114515170404.jpg" />
C.<img src="https://img.ppkao.com/2017-07/xieqiushi/2017071114515575243.jpg" />
D.<img src="https://img.ppkao.com/2017-07/xieqiushi/2017071114520285770.jpg" />
A、A.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />三态，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />低电平
B.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />三态，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
C.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />高电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
D.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />高电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
A、设一体系未受微扰作用时有两个能级：<img src="https://img.ppkao.com/2019-04/liyunao/2019041014070029473.jpg" />现在受到微扰<img src="https://img.ppkao.com/2019-04/liyunao/2019041014071392286.jpg" />的作用，微扰矩阵元为<img src="https://img.ppkao.com/2019-04/liyunao/2019041014073741849.jpg" />都是实数。用微扰公式求能量至二级修正值。
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