查询词典 quasi

This paper expouds the characteristics of quasi-continuous wave radar,and compares the pulse Doppler radar with CW radar and quasi-CW radar.

阐述了准连续波雷达的特点，并对脉冲多普勒雷达、连续波雷达和准连续波雷达进行了比较，结果表明准连续波雷达优于脉冲多普勒雷达和连续波雷达。

For the nonlinear laser device with intracavity doubling or parameter oscillator, the quasi-continuous operating is needed to improve the peak power inside the laser cavity,and AO Q-switching is an important way to obtain the quasi-continuous laser.

对于连续泵浦的内腔式倍频、参量振荡等非线性激光器件，常需要准连续运转来提高腔内的峰值功率，声光调Q是目前获得准连续运转激光器的重要途径。

To calculate the pressure drop of cyclone must consider the tangential velocity. Researchers regarded inner vortex as quasi-forced vortex and outer vortex as quasi-free one before.

旋风分离器阻力损失的理论计算离不开切向速度分布，以往在切向速度的研究中，认为内涡旋是准强制涡、外涡旋是准自由涡。

The results show that the tangential velocity distribution in the annular space shows a typical feature of strongly swirling flows and it consists of quasi-free vortex area and quasi-forced vortex area.

由于流体与双侧壁面之间的摩擦造成能量损失和湍流能量耗散，导致最大切向速度不断衰减且位置沿轴向向下逐渐向提升管外壁移动，同时涡量传递造成外部的准自由涡区逐渐增大，内部的准强制涡区逐渐缩小。

Sufficient conditions for quasi-hereditary Nakayama algebras and for quasi- hereditary left serial algebras to have global dimension equal to 2 or 3 are obtained.

本文分别给出了拟遗传Nakayama代数和拟遗传左serial代数的整体维数等于2或3的充分条件。

Thus an efficient quasi-physical and quasi-human algorithm is achieved by integrating these strategie to solve this problem.

对于拟物算法计算过程中，经常落入局部极小值陷阱的情况，设计了拟人的跳坑策略，最终形成了拟物拟人算法。

Furthermore, an off-trap strategy of quasi-human approach is put forward in order to avoid frequently jumping into local minimum during the quasi-physical computation.

为求解蛋白质结构预测问题提出了三维欧氏空间连续模型，并为由此形成的数学问题找到了相应的物理模型，应用拟物的方法对其进行求解。

However, the quasi-human method can give us good strategies for jumping out of a trap of local minimum with the help of human beings\' behavior and experiences.A new 3-dimensional real Euclid model is proposed for the protein structure prediction problem. Then a quasi-physical method based on corresponding physical model is presented to solve the relevant mathematical problem.

拟物方法将原始问题落实为优化问题，而在用数学方法求解优化问题时，常常会碰到计算落入目标函数局部极小值陷阱的困境，如何从这种困境中逃逸出来，使得计算奔向前景更好的区域，拟物方法则无能为力，而应用拟人方法则可以设计出好的&跳出陷阱&的策略。

Computational complexity ; NP hard ; protein folding ; HP model ; AB model ; quasi-physical quasi-human algorithm ; simulated annealing ; Tabu search

计算复杂性； NP难问题；蛋白质折叠； HP模型； AB模型；拟物拟人算法；模拟退火；禁忌搜索

After deriving a quasi-infinite horizon NLMPC formulation for discrete-time system, Chapter 3 proposes a quasi-infinite horizon NLMPC scheme based on sliding mode.

推导了准无限时域非线性模型预测控制的离散形式，然后提出了基于滑模的准无限时域非线性模型预测控制方法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐