割

By histological comparison, the structure of the autotomized tissue was different from other mantle tissue. Sinus and blood spaces were found in the autotomized tissue. Structural changes before and after autotomy in the autotomized tissue were from dense to sparse creases in the epidermis and dense to loose in the connective tissue.

组织学观察发现：自割组织结构与一般外套膜不同，具有血窦和较多的血腔；自割前之自割组织腹面表皮有很多褶皱，背面表皮则较平坦，内部组织紧密；自割后之自割组织膨大，背、腹面表皮形态改变，腹面表皮褶皱减少，内部组织蓬松。

The project is partitioned several parts, such as the preparation of cutover, the input of operation data of user, the cutover of voice services and the cutover of services. Then the processes of cutover are designed. In order to guarantee the present business on network not be influenced in the process of network reformation, the reformation of network is achieved, and the calm transition of traditional switch network to intelligent network is realized.

论文将智能化改造的割接方案分为：割接准备、用户业务数据导入、话务割接和业务割接四个阶段，对割接步骤进行了设计，在保证固网智能化割接过程中基本不影响现网运行业务的情况下，完成网络改造，实现向智能化网络的平稳过渡。

To change the pick type, the cutting depth etc, so as to observe their influences on the deformation and destruction law of coal body; To adopt octagonal ring dynamometry made by ourselves and signals picking up system of multi-channel, low frequency and high-accuracy so as to monitor the cutting force in coal cutting course; To adopt the high-speed photography method, so as to shoot the cutting course and analyze the law of shaping.

改变截齿类型、截割深度等，观察对煤体变形破坏的影响；采用自制的八角环测力仪和多通道低频高精度信号拾取系统对截齿截割煤体过程中的截割力进行了在线监测；采用高速摄影的办法拍摄截割过程，分析变形破坏的规律。

In this paper, firstly, not only the incidence matrix ,adjacent matrix, cycle matrix, cut-set matrix of an undirected graph are summarized, but also the close contact between a graph and its corresponding matrix are discussed ; secondly, many problems of a graph which are solved by analysing its matrix are listed as follows:1、The co-tree set of a graph is obtained by using its cycle-matrix ; 2、The branches of its spanning tree are given by using its cut-set matrix ; 3、By making use of the incidence matrix of a graph ,not only its vertex cut 、cut vertex 、isolated point and spanning tree can be obtained ,but also the two sides which are whether parallel or not can be judged ;4、By using their adjacent matrix ,the two graphes which are whether isomorphous or not can be judged; once more, there is a detailed introduction in view of special graph (for example: bigaritite graph ,regular graph and so on);last but not least, a graph method of calculating the N power of a matrix is given and the practical applications of the theorem for degree is indicated.

本文首先综述了无向图的关联矩阵，邻接矩阵，圈矩阵，割集矩阵以及图和它对应矩阵之间的关系；其次总结出了利用上述各类矩阵可以解决的图的若干问题：1、利用图的圈矩阵可以求其连枝集；2、利用图的割集矩阵可以求其生成树的树枝；3、利用图的关联矩阵不仅可以求其割点、点割集、连通度、孤立点和生成树，而且可以判断两条边是否平行；4、利用图的邻接矩阵可以判断两个图是否同构；再次，针对特殊图（例如：二分图、正则图等等）的邻接矩阵作了详细介绍；最后，得到了利用图计算矩阵的N次幂的方法，指出度数定理的实际应用。

The experiments showed that both rotary belt cutter and the jagged chain cutter can realize high speed cut with high ground speed, the former cut speed and operating speed can reach 17 m/s and 15 km/h separately, and the latter can reach 7 m/s and 13 km/h responsively.

试验表明，回转带式切割器和齿形链式切割器均可实现高速切割和高速作业，前者(来源：ABC55论文网www.abclunwen.com)的切割速度和作业速度分别达17m/s和15km/h，后者的切割速度和作业速度分别达7m/s和13km/h；工作平稳，割台振动小，割茬整齐，无撕裂、漏割、重割和堵刀现象；适于收割小麦、水稻等细茎秆作物和牧草。

The tolerant species include Stipa grandis and Agropyron michnoi, which did not change in distribution under mowing disturbance.

对内蒙古羊草草原主要植物种群能量现存量对刈割频次响应的研究表明，在17年不同频次刈割干扰影响下，植物种群能量现存量随刈割频次的变化表现出不同的变化趋势，据此可以划分出3个不同的刈割响应类群：受抑种、耐刈种和受益种。

This article sums up a series of slotted screen design methods,including the corrosion resistance design and antiscale design,and defines slotted screen parameters according to their structure and working conditions,such as slotted width and length,slotted density and type and form, slotted screen strength and material,etc.

针对油井防砂完井优配割缝筛管的需要，从理论研究和应用实践中，总结出一套割缝筛管的设计方法，其中包括割缝筛管的防腐设计；割缝筛管的防垢设计；基于形成砂桥来控制地层砂的设计原则和基于完全阻止地层砂移动的设计原则来进行割缝筛管的缝宽设计；割缝筛管的面密度的设计(包括裸眼井用割缝筛管)；割缝筛管的缝长设计。

Clipping led to increased aboveground biomass and over-compensation in the absence of fertilization, but the degree of compensation depended on intensity, frequency and time of clipping.

不施肥，刈割可促进冷地早熟禾地上生物量的增加并发生超补偿，但补偿程度因刈割强度、刈割频度和刈割时间而异；施肥时，刈割没有或很少促进植株发生超补偿。

Rubber trees initiate laticifer differentiation in June and July while no laticifer differentiation occur during the periods from November to May under natural conditions on Hainan Island. Application of jasmonates induced laticifer formation in both immature and mature rubber trees. Tapping and/or pre-tapping enhanced the ability of vascular cambia to differentiate the secondary laticifers.

结果表明，在海南岛自然条件下，乳管分化开始于6~7月份，在11月～翌年的5月没有乳管分化；割胶包括正式割胶前的预割能显著提高橡胶树形成层分化乳管的能力，其影响的范围相当大；外施茉莉酸对未开割树和割胶树的乳管分化都有促进作用。

The cutting pattern and load curves of cutting process of the two cutting heads were given by computer simulation, which showed that the cutting performance of the cutting head with pick arrangement based on equal-rise-angle spiral line was good because of its reasonable pick cut, its uniform cutting pattern and the small value and the fluctuation of its load.

为了评价利用等螺旋升角进行截齿排列设计的截割头的截割性能，选用了一个实际的截割头进行比较，通过计算机仿真获得两个截割头截割过程的切屑图和载荷曲线，经比较分析表明，用等螺旋升角排列截齿的截割头截槽合理，各段切屑图均匀，载荷大小及其波动较小，截割性能良好，所以用等螺旋升角排列截齿是一种高效、实用的截齿排列方法。

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％。