丝的

The design of the device using NC Lathe CA6140 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with. from the I / O interface stepper pulse output signal to control the feed rate and itineraries; In order to maintain the function of cutting thread, to the outer end of spindle or other appropriate location loaded pulse generator; Lathe will be transformed into Tailstock manually controlled electric Tailstock.

本设计利用数控装置对CA6140普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

The design of the device using NC Lathe CA6240 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with.

本设计利用数控装置对CA6240普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

When extremity , they showed nerval poisoning sign such as urgent swim, overturn, ankylosis and twitch. Gill thread turgescence, and the structure of some gill thread tip was destroyed, some dark globosity grains or actinomorphic anomaly accreted on it. Granular degeneration, vacuolar degeneration, necrosis ,in liver cells and renal tubular epithelial cells.

急性铜中毒金鱼体表和鳃的粘液增多，体色变淡，呼吸困难，严重者死亡：临死前有游窜、侧翻打转、僵硬抽搐等神经中毒表现；鳃丝肿胀，有的鳃丝末端形态破坏，鳃丝上附着有球状或不规则放射状的深色颗粒物。

The centromere contains the kinetochore, a structure involved in the attachment of the chromosomes to the spindle during nuclear division.

着丝点上包含了着丝粒，着丝粒确保细胞在分裂中染色体与纺锤体的整合，发生有序的染色体分离。

Centromere The region of the chromosome that contains the kinetochore, the structure that becomes attached to the nuclear spindle during mitosis and meiosis.

着丝粒：染色体上包含着丝点的区域，在细胞有丝分裂和减数分裂期间与纺锤体相整合的一种结构。

Indeed, she had quite a long argument with the Lory, who at last turned sulky, and would only say, 'I am older than you, and must know better'; and this Alice would not allow without knowing how old it was, and, as the Lory positively refused to tell its age, there was no more to be said.

你瞧，爱丽丝已经同鹦鹉辩论了好长时间了，最后鹦鹉生气了，一个劲儿地说："我比你年龄大，也就肯定比你知道得多。"可爱丽丝不同意这点，因为爱丽丝压根儿不知道它的年龄，而鹦鹉又拒绝说出自已的年龄，她们就再没话可说了。

Indeed, she had quite a long argument with the lory, who at last turned sulky, and wouldonly say, 'i am older than you, and must know better; and this alice would not allow without knowing how old it was, and, as the lory positively refused to tell its age, there was no more to be said.

你瞧，爱丽丝已经同鹦鹉辩论了好长时间了，最后鹦鹉生气了，一个劲儿地说："我比你年龄大，也就肯定比你知道得多。"可爱丽丝不同意这点，因为爱丽丝压根儿不知道它的年龄，而鹦鹉又拒绝说出自已的年龄，她们就再没话可说了。

Carroll's fairy tale "Ailisi Roams Wonder world To record", narrated girl Ailisi follows one to put on formal clothes' pinkeye rabbit roaming fairyland story, has run into many strange people and the matter, is first falls down from a rabbit hole, drinks can make one changes the small liquid medicines, also ate has been able to cause the human becomes the very big biscuit, did not stop changes between the giant and the pocket-sized person changes, about the stature size, was Ailisi continuously the very puzzled matter, was also she meets frequently in the fairyland, behind also had rabbit gentleman in family's liquid medicines and the small dessert,Right side the larva aculeata colonel's left side increased changes the small mushroom, Lisi said that she did not know who she was, one kind of height could not maintain 10 minutes, therefore who her indefinite oneself were.

卡罗尔的童话《爱丽丝漫游奇境记》，讲述了一个小姑娘爱丽丝跟随一只穿礼服的红眼兔子漫游仙境的故事，遇到了许多奇奇怪怪的人和事，先是从一个兔子洞里掉下去，喝能使人变小的药水，又吃了能使人变得很大的饼干，不停地在巨人和袖珍人之间变来变去，关于身材的大小，是爱丽丝一直很困惑的事情，也是她在仙境中经常遇到的，后边还有兔子先生家里的药水和小点心，毛虫上校的左边变大右边变小的蘑菇，艾丽丝说，她不知道自己是谁，一种身高不能保持10分钟，所以她不确定自己是谁。

This paper introduces the new way of three kinds hatching design in Jacquard: straight shadiness , horizontal shadiness , diagonal shadiness , discusses the computer design thoughts, mathematical models and flow diagrams of three kinds hatching pattern.

探讨了织物直丝影光、横丝影光、斜丝影光等3种阴影形式的计算机实现的设计思想、数学模型和流程图。

The relations between spinneret diameter and spinneret draft and shearing rate are analysed concretly.

具体分析了喷丝孔直径与剪切速率及喷丝头拉伸倍数之间的关系，提出了喷丝孔直径的选择依据。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。