打孔

According to the developing tendency all over the world,the paper introduces the theory of laser forming and the and development in rapid metal tooling,forming,boring,incising,et al,points out the significance and the value of laser in the field of plastic forming .

结合国内外的发展动态，简述了激光加工原理，介绍了激光在快速制模、成形、打孔、切割及模具表面强化等方面的应用现状，并强调指出了激光在塑性加工领域中应用的重大意义和价值。

Methods Incubating plate with foveolae was used to study the antibacterial effect of the water extract of tea.

方法采用平板打孔法对茶叶水浸液抗菌效果进行了检测。

To check the results of keypunching.

检查击键打孔的结果。

To avoid its use as a legal tender note, it can be perforated, punched, without a serial number or a serial of 000000, overprinted with the word "Specimen" or "Cancelled" in any language.

为了避免票样被用作法定纸币，票样都被打孔，穿孔，不带编号或只带有000000编号（全为0），并在其表面以各种语言印有&Specimen&或&Cancelled&的字样。

If you're old enough to remember those front panels.

如果你还记得那些打孔带的符号。

The gene launches a biochemical process in which a molecule called plasmin perforates the membranes of tissues, causing the membranes to break down and allowing the cancer cells to escape into the bloodstream and to adjacent tissues.

这种基因启动了一种生化过程，在这个过程中，一种叫做血浆酶的分子能够在组织膜上打孔，并导致膜降解，从而使癌细胞能够流窜到血管和临近组织。

The traditional filming planter perforates on plastic film, which easily forms harden surface soil layer, it is not good for the growth of crops which have weak break ground ability.

传统铺膜播种机在地膜上打孔播种容易形成板结，不利于发芽破土能力弱的作物生长。

There are three styles of perforating: round hole, slot and slit.

打孔有三种款式，即是：圆孔，长孔和裂线。

But this tie is elusive, imperfect as the election that produced it because when you are shuffling through 6 million votes and double-punched ballots and hanging chads and missing postmarks and the whole archaeology of human frailty, every count by machine or by hand yields a different result, each so close as to be all but meaningless.

但是这种不完善的选举模式很复杂，这6，000，000张选票可能会产生塞票（将多余的票圈选自己的候选人并投入投票箱——译者注）、重复投票、悬空票（打票机在票上打孔，但票上的纸片没有脱落——译者注）、选票破损、人民意图等干扰因素影响，机器和人工检票的结果全然不同，而即便相同，结果也没有什么意义。

Entered the rewinding roll machine, rewinding role is to play the role of rewinding embossing punch.

卷纸后进入复卷机，复卷的作用是起复卷打孔压花作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。