查询词典 quasi

The nonstandard anslysis theory is used in the κ-saturated nonstandard model, the definition of the quasi-near-standard points in a metric space is given and it is proved that a point in nonstandard metric space is quasi-near-standard point if and only if its monad contained in every *-open ball of some standard point.

在κ-饱和的非标准模型下，采用非标准分析方法，提出了度量空间中的拟近标准点的定义，得到了非标准度量空间中的点是拟近标准点的充要条件是它属于某一个标准点的每一个*-开球，证明了度量空间的非标准完备化恰是该空间的非标准扩张中拟近标准点集的商空间。

A quasi success; a quasi contract.

类似的成功；准契约。

A fire\|new theory for periodic or quasi\|periodic signal sampling is proposed,w hich is especially for sampling high\|frequency wideband periodic or quasi\|peri odic signal by low sampling rate system.

涉及一种周期或准周期信号的采样技术，特别适用于低频采样系统采集高频宽带周期或准周期信号。

Second, in the forth part, the writer used relationshipin quasi--variat iona1 inequal ity, pseudo-variational inequality and monotone variational inequality and used the solution of monotone GVIP to solute quasi?variational inequality,pseudo?variational inequality. Also some important conclusion were given.

二。第四部分利用了拟变分不等式、伪变分不等式及强变分不等式之间的关系，利用已知的单调广义变分不等式的解的情况来研究拟变分不等式、伪变分不等式及强变分不等式的解的情况，并得出一些重要的理论。

On the basis, three equivalent statements are obtained. Let S be a semigroup with left central idempotents, then (1) S is a quasi-right semigroup;(2) S is a quasi-completely regular, and RegS is an ideal;(3) S is a nil-extension of strong semilattice of right semigroup.

在此基础上得到了3个等价命题：若S为具有左中心幂等元半群，则(1) S为拟右半群；(2) S为拟完全正则的，RegS为S的理想；(3) S为右群强半格的诣零理想扩张。

C. 2 for any regular point x of f, if ω is not quasi-attractive, then α is quasi-repellent.

C.2对f的任一常点x，如果w不是准吸引的，则α是准排斥的。

This method constructs a quasi-conformal transaction with the sech function. It improves the respective of SVM by modifying the polynomial kernel function. The text emphasizes on the parameter analysis of quasi-conformal transaction.

该方法用双曲正割函数构造拟共形变换函数，对多项式核函数进行修正来提高SVM的分辨率，并侧重于拟共形变换函数中的参数分析，确定了参数的取值方法，缩小了参数选取的范围。

Results obtained show that the range of quasi-solid is equivalent to the range of hot brittleness, and B, Ti as well as mischmetal all lower the quasi-solidus and enhance the strength around solidus and the increase rate of strength of the alloy.

研究结果表明，合金的准固态区即热脆性区，B，Ti和稀土都能降低合金准团相线温度，提高强度增长率和准固相线附近的强度，稀土的作用强于B和Ti。

The fourth chapter in this paper introduces the modeling ideas of stochasticvolatility into panel data model and puts forward panel data stochastic volatilitymodel. The Kalman Filtering can be employed to filter out the quasi-likelihoodfunction of the model and quasi-maximum likelihood estimation is used as achief means of estimating the parameter of the model.

第四章则将随机波动建模思想引入平行数据模型，提出平行数据随机波动模型，运用卡尔漫滤波方法得到模型的伪似然函数，进而采用极大似然估计方法求解模型参数。

The phase of ω0 frequency fluctuates tempestuously. The resonance peaks of flexural and torsional vibrations response are present at 2/3ω0 1/2ω0 1/3ω0 and 1/4ω0 with three kinds cracked rotor models. Near 1/2ω0 frequency, quasi-periodic and chaotic motions maybe appear. Periodic, quasi-periodic and chaotic motions show on alternately when the rotating speed is near to 2/3ω0.Combined step-by-step integral method with traditional transfer matrix method, an increment transfer matrix method is put forward.

研究结果表明：各种故障情况下，华北电力大学博士学位论文弯振和扭振之间都存在祸合关系，但弯扭祸合振动一般不会威胁机组安全运行：在叶片丢失或滑环飞脱故障时，将产生很大的弯振，同时各转子扭振也将被激发出来，它以工倍频和前三阶固有频率为主；在各种电气故障情况下，各转子都很快被激励出较大幅值的扭振来，相应各转子弯振也发生一定的变化，但它的变化明显滞后于扭振，扭振和扭矩主要以前三阶固有频率为主。

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