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By the paper and cardboard are not allowed in cement floor should be placed in wooden paper stage, so that forklift′s transport, pallet-bearing in mind that itself to prevent trimness vertical buttresses down.

纸张和纸板都不允许堆放在水泥地面上，应该平放在木制纸台上，以便叉车运输，码垛要注意本身的整齐垂直，防止倒垛伤人。

L This machine can kit with paste corn er machine, seal side machine and fold paper machine equipments and trimness machine etc…, forming consistent homework, produce diverse gift box, hard paper box etc.

l 本机可与贴角机、封边机、折入机、整平机等机械设备配套，形成一贯作业，生产多样化礼盒

The paper analyzed the motion principle of an end-face lapping machine for an optical fibre conneetor,and deduced the expressions for the workpiece′s motion path in relation to its lapping plate and the motion path vise versa,both of which,as shown by Eqs(5) and(6) in the full paper,are trochoid .

推导出工件相对于研磨盘的运动轨迹S1和研磨盘相对于工件的运动轨迹S2的表达式，得出S1、S2均为次摆线，分析了轨迹随相关参数的变化规律。

As the complete characteristic curves of reversible pump turbine are often used to calculate the instantaneous parameters, this paper studies the characteristic curve and the wicket closure and opening law in pumped storage plants.Chapter 1 presents the importance and the necessity of this study and reviews the previous related research on hydraulic transient process and valve regulation in pumped storage plants.Chapter 2 analyzes the six collected characteristic curves of reversible pumped turbine and studies their diversification from the point of view of specific speed. The six collected discharge and moment curves with maximum efficiency have been fitted to piecewise continuous curves. This curve-fitting procedure is listed.Chapter 3 takes Liyang Pumped storage plant as an example and analyzes the effect of different characteristic curves on regulation guarantee parameters and the variety of its trochoid during the same operation status.Chapter 4 takes three pumped storage plants with different heads as examples and studies the characteristic of coordinated closure with wicket gate and ball valve and its effect on dynamic pressure in the spiral case, inlet pressure in the draft tube and the rise of rotating speed.Chapter 5 summarizes this paper and point out what should be done in the future research.

由于在过渡过程分析计算中，需要频繁利用可逆式机组的全特性曲线推求机组的瞬时参数，所以本文就特性曲线及关闭规律问题进行了研究，其主要内容如下：第1章，指出本文研究的意义和目的，回顾前人对水力过渡过程、抽水蓄能电站及阀调节的研究成果，在此基础上提出本文的研究内容；第2章，针对收集到的六套特性曲线，从比转速的角度出发来研究可逆式机组特性曲线的变化规律；并对六套曲线的最高效率流量和力矩曲线进行分段拟合，得到各分段函数的具体形式，再通过举例说明最高效率曲线的拟合步骤；第3章，以溧阳抽水蓄能电站为实例，分析讨论不同比转速特性曲线对调保参数造成的影响及对于相同工况其轨迹线的变化；第4章，结合高、中、低三水头段抽水蓄能电站，在导叶直线关闭的基础上，研究导叶与球阀协联关闭规律的特点及对蜗壳动水压力、尾水管进口压力及转速上升造成的影响；第5章，总结全文，提出今后研究的重点和方向。

In this paper, total logistics amounts are chosen as evaluation index, and artificial time series are designed to solve the shortness of statistical data in Chinese logistics. Spectrum estimation theory depicts time characteristics in frequency domain thus has such benefit than time domain methods. This paper evaluates the period of Chinese logistics using spectrum estimation. Stationarity of artificial series is verified, parameter sensitivity of truncation point is analyzed, six periods with different delay window are compared, and significance of period evaluated is tested.

中国物流统计数据缺乏，客观上限制了对其周期规律的研究，本文选取社会物流总额作为测度指标，设计了一种人工序列，解决了统计数据过短问题；谱估计法从频域角度揭示客观事物的时间特性，在研究时间序列周期波动方面具有时域分析法所不具备的优势，作者采用谱估计法对中国物流发展周期进行测定，检验了指标序列平稳性，分析了截断点参数灵敏度，比较了6种不同滞后窗下周期值，并检验了所测得周期的显著性。

Firstly, this paper introduces the model-line of the scroll expander in detail and deduces integrally the geometrical theory on the scroll expander. Basing on the transparent geometrical relation of the scroll expander, force analysis of the immobile and the rotary turbination are showed in the paper.

首先，本文比较详细的介绍了涡旋机械的型线构造，之后对涡旋式膨胀机的几何理论进行了比较全面介绍和推导，在明晰涡旋膨胀机基本几何关系的基础上，对动、静涡盘进行了受力分析。

After a turn-up a small red paper, with scissors,"Kacha" sound, a cow, a dove, a tree, a flower will come alive to be displayed in a pair of stout men's fingers ...... 52-year-old Ma Kam-yee, with a pair of seemingly clumsy hands, one by one ordinary red paper, but cut into a beautiful new world.

一张小小的红纸几经翻折，随着剪刀的"咔嚓"声响，一头牛、一只鸽、一棵树、一朵花便活灵活现地展现在一双男人粗壮的手指间……今年52岁的马锦仪，用一双看似笨拙的手，一张张普普通通的红纸，却剪出了一个美丽新世界。

After a turn-up a small red paper,with scissors,"Kacha" sound, a cow, a dove, a tree, a flower willcome alive to be displayed in a pair of stout men's fingers ......52-year-old Ma Kam-yee, with a pair of seemingly clumsy hands, oneby one ordinary red paper, but cut into a beautiful newworld.

一张小小的红纸几经翻折，随着剪刀的"咔嚓"声响，一头牛、一只鸽、一棵树、一朵花便活灵活现地展现在一双男人粗壮的手指间……今年52岁的马锦仪，用一双看似笨拙的手，一张张普普通通的红纸，却剪出了一个美丽新世界。

Its main intent is to provide you with print-outs used in code reviews and to save some paper by fitting two code pages onto one sheet of paper.

它的主要部份意图是提供打印出来的代码用于修订和把两页中的代码合并到一张上并保存起来。

To exert excellent tribological characteristics of carbon material, a two-ply paper-based friction material was developed successfully by paper-making process.

采用抄纸工艺制备碳质双层纸基摩擦材料，采用惯量摩擦试验方法研究双层纸基摩擦材料的摩擦磨损性能。

The two dozen translators have stuck to their guns in holding on to several useful Chinese terms, like jiaozi for boiled dumplings, tangyuan for glutinous riceballs, and shaomai for those money-bag steamed dumplings.

参与此项工作的二十多位翻译竭力保留了许多有用的中文词语，如将"饺子"、"汤圆"和"烧卖"分别音译成jiaozi、tangyuan和shaomai。

Due to the constant bickering between their two heads, Ogres exhibit less intelligence than even the lowly Peons.

由于两个头不停的斗嘴，这种食人魔的智力甚至连苦工赶不上，但无论如何，食人魔战