查询词典 vector density

To solve this problem, we consider that use of tissue-specific regulative elements in construction of plasmid vector for molecular conjugate vector may limit the expression of foreign gene to targeting cells further.

为解决这一问题，我们考虑在构建分子偶联载体中的重组质粒表达载体时，应用组织细胞特异性调控序列，以期在转录水平进一步限制外源基因的表达于靶细胞中，从而保证受体介导基因转移的靶向性，同时可望导致外源基因的高效表达。

Vector nature of angular momentum, precession, conservation of vector angular momentum (its transfer between parts of a system), nutation.

角动量的矢量特性，进动，角动量守恒(它在系统内部之间的转移)，章动。

B double precision real-one-dimensional arrays, length n, storage equations subguadratic constant vector; Return to the solution of the equations vector.

b 双精度实型一维数组，长度为n，存放方程组右端的常数向量；返回方程组的解向量。

In particular, readers accustomed to using C or Java might expect that because vector elements are stored contiguously, it would be best to preallocate the vector at its expected size.

具体而言，如果读者习惯了 C 或 Java 的风格，由于 vector 元素连续存储，可能希望最好是预先分配合适的空间。

The definition of vector valued continued fraction interpolating splinesis at first introduced by means of generalized inverse of a vector.

本文首次引入了关于广义逆的向量有理插值样条的概念。这类插值样条具有Thiele型连分式的截断分式的表现形式。

This model gives a vector control the generation model, modeling for vector control will help.

这个模型给出了矢量控制的生成模型，对于矢量控制建模有一定的帮助。

First, the paper introduces the moving coordinate system based on the curve tangent vector and the curvature component vectors. Next, the total curvature vector is composed and the osculating plane determined in the moving coordinate system. The curve bending is then calculated and the recursion analysis made on the osculating plane.

鉴于空间曲线上曲率采集面的变化，引入了由曲线切向量和曲率分量决定的运动坐标系，接着在运动坐标系中合成曲率矢量，确定密切平面，然后在密切平面中对曲线进行弯曲计算和运动坐标系的变换分析，并对相关公式进行了推导。

Based on the rule that all the coordinate value of the basic vector is integral in coordinate plane, an algorithm for approaching the reference vector in coordinate plane was drawn out, which is easy to be realized by arithmetic and rounding operation.

本文根据基本矢量在两相坐标平面的坐标都是整数的规律，总结得到了在两相坐标平面下对参考电压矢量进行逼近的算法，该算法只需要进行简单的四舍五入与加减运算，易于实现。

Vector Control is based on motor unification principle, energy conversion and vector coordinate transformation theory.

矢量控制作为一种先进的控制策略，是在电机统一理论、机电能量转换和坐标变换理论的基础上发展起来的。

In this paper, based on the analysis of the structure, movement principle and math model of PMSM, fundamental theories of vector control, coordinates transform and algorithm of space vector PWM are introduced and PI control, speed and position calculation methods are discussed.

本论文在分析了PMSM的结构、运动原理及数学模型的基础上，系统地阐述了PMSM交流伺服系统矢量控制的基本原理、坐标变换方法及空间矢量脉冲宽度调制波的生成算法，论述了PI控制算法和速度位置计算方法。

"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。