查询词典 variable condenser

Suppose Y is an absolutely continuous random variable symmetric about 0 with probability density function f and cumulative distribution function F.

假设Y是一绝对连续且对称於0的随机变数，其机率密度函数为f，而分布函数为F。

The concepts of fixed and variable overheads, overhead absorption and contribution and marginal costing can be found in a number of CIMA papers.

固定和变动管理费用、管理费用分配、贡献和边际成本之类的概念可以在许多CIMA的试卷中找到。

Absorption costing treats all production costs as product costs, regardless of whether they are variable or fixed.

在完全成本法中，固定性制造费用由本期已销产品和期末未销产品共同负担，固定性制造费用是一种可以在将来换取收益的资产。

Thereby we could obtain the whole information of variable and fixed cost from a single account, avoiding huge repetitive works by fusing the marginal costing with the full absorption costing methods together.

其次，责任会计与财务会计在理论上具有非常多的共同点，具有其融合的理论基础，虽然它们之间在基本理论方面存在一定的差异，但这正是我们在融合中要引起注意，并加以重点考虑、重新设计的问题。

This method characterizes variable velocity, absorption coefficient and quality factor. It is feasible for improving SNR and resolution in seismic data.

该方法具有道间与道内地震波速度、介质吸收或品质因子可变的特点，并具有经济、快速、实用的优点，对地震剖面上信噪比与分辨能力的提高具有实际意义。

The concepts of variable, function and their application are the kernels of algebra abstract thought.

变量和函数的观念及其运用又是代数抽象思维中最核心的部分。

For there is no concrete mathematical expression to describe its complicate inner working process and theoretical calculation, and the movement of piston is a kind of nonlinear variable accelerated motion, we have to resort to computer technique to do theoretical research work.

油压夯管锤是高能量输出的油压马达，其工作性质是建立在流体力学、液压传动、运动学、动力学、机械学、波动力学等多学科基础上的流体机械，其内部工作过程和理论计算比较复杂，没有显示的数学表达式，而活塞的运动又是一种非线性的变加速的运动过程，因而，其理论研究必须借助电子计算机。

This generator is based on acceptance-rejection technique, however, in theory, when the number of rectangle preponderates over 255, the acceptance probability is higher than 99.1%, with 98% of the time the required random variable is produced simply by doing a multiplication.

该算法基于接受－拒绝抽样技术，理论分析表明当矩形数大于255个时，该算法的抽样效率大于99.1%，而且98%以上的时间内仅需进行一次简单的乘法运算。

Keywords: BP neural networks,model approximation degree, acceptance probability, variable stepsize learning algorithm

数值结果表明该算法不仅明显地提高了BP网络的学习收敛速度，而且在一定程度上还能避免陷入局部极小。

BP neural networks ; model approximation degree ; acceptance probability ; variable stepsize learning algorithm

数值结果表明该算法不仅明显地提高了BP网络的学习收敛速度，而且在一定程度上还能避免陷入局部极小。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。