多级的

The thesis has set up the fundamental framework of multilevel fuzzy synthetical evaluation based on analytical hierarchy process. It has described how to use the method to evaluate the arch bridge in detail.

建立了基于层次分析原理的多级模糊综合评估方法的基本框架，论述了运用此方法对混凝土拱桥工作状态进行评估的具体过程。

Tradition design about step gear-driven wastes partial carrying capacity of makings.

传统的多级齿轮传动设计浪费了材料的一部分承载能力，单目标的啮合参数优化方法精确度不够。

This paper deals with an experimental investigation of fault diagnosis in a multistage gearbox under transient loads.

本文论述的实验调查故障诊断中的一种多级变速箱下的瞬态负载。

In a multiseries electroosmotic pump, the pressure of a pump can be elevated by increasing the progression of an electroosmotic pump or applied voltage.

在多级串联电渗泵系统中，可以通过增加电渗泵的级数或操作电压来提高泵系统产生的压强，但是单一流路的输液能力有限。

To sum up, multi-stage pumps are pumps on the change of cavity volume inspiratory implementation, compression and exhaust, so it can change the size of the centrifugal pump.

综上所述，多级泵是靠泵腔容积的变化来实现吸气、压缩和排气的，因此它是可以变容积的离心泵。

A cryogenic air separation system wherein feed air is compressed in a multistage primary air compressor, a first part is turboexpanded and fed into a cryogenic air separation plant, and a second part is turboexpanded and at least a portion of the turboexpanded second part is recycled to the primary air compressor at an interstage position.

一种低温空气分离系统，其中进料空气在一台多级初级空气压缩机中压缩，使第一部分进行透平膨胀后送入低温空气分离设备，使第二部分进行透平膨胀后，将已透平膨胀后的第二部分中的至少一部分再循环回到该初级空气压缩机的级间位置。

A multistage jounce bumper, including a jounce bumper cushion integrated with a hydraulic jounce bumper, wherein provided are the damping characteristic of the hydraulic jounce bumper and the damping/spring characteristics of a jounce bumper cushion.

一种多级颠簸缓冲器，包括与液压颠簸缓冲器整体形成的颠簸缓冲器垫，其中提供了液压颠簸缓冲器的减震特性，同时提供了颠簸缓冲器垫的减震/弹簧特性。

Compared the result of experiment with single leaching, multi leaching of cross current and continuous counter current leaching, in the light of characteristic of waste and inferior tobacco leaves, a special leacher of continuous counter current is devised, and the efficiency of leaching by the operating condition tested too.

对单级浸取、多级错流浸取和连续逆流浸取进行了试验比较，并结合废次烟叶浸取的特点，设计出一种连续逆流浸取器，并研究了该装置的操作参数对浸取率的影响。

For this reason ,this paper mainly studies two kinds of queueing models.The first is N-node tandem open queueing network system with feedback and server vacation. The generator matrix of Markov process is given in recurrence formulation. The steady-state distribution and other relative index of the system are obtained by means of matrix analysis theory and probability theory.

针对上述情况，本文主要研究了两个模型，第一个为具有反馈的多级串联休假排队模型，其中采用递推方式给出了马尔可夫过程的转移矩阵，并利用矩阵分析方法进行求解，得到了该系统的稳态解及其它相关指标。

There is no engineering reason why a 15W-40 multi-grade using the current best technologies would not perform at least as well as an SAE 30 mono -grade in almost any engine.

从技术的角度来说，采用了当今最先进技术的15W-40多级润滑油并不能在所有发动机中都表现出比SAE 30单级润滑油更好的性能

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。