单元的

My main purpose for going with a dual woofer versus a single was sound quality and size.

我们使用两个低音单元的目的是出于对音质与体积的考虑。

In this paper we introduce systematic designing idea and work principle of every unit and technical capability.

本文介绍系统的设计思想和系统各部分单元的工作原理及其技术性能和特点。

A transaction is a logic unit of work, which is a sequence of SQL statement against database.

交易是一个逻辑单元的工作，这是一个序列的SQL语句对数据库。

Harbin 150001, China）Abstract: Based on the mould features, the fluid mechanics models were founded. Integrating with the finite element method, the hydro-mechanical deep drawing of alumite LF6 was simulated. The alumite LF6 was formed by hydro-mechanical deep drawing, and the reasonable process parameters were obtained.

摘 要：根据模具几何特征，通过建立流体力学模型描述液体对板料单元的动态影响，结合有限元数值模拟技术对塑性差、难成形材料防锈铝LF6的充液拉深进行数值模拟，并进行实验研究，得到了防锈铝充液拉深合理工艺参数。

Based on the mould features, the fluid mechanics mode ls were founded. Integrating with the finite element method, the hydro-mechanical deep drawing of alumite LF6 was simulated. The alumite LF6 was formed by hydro -mechanical deep drawing, and the reasonable process parameters were obtained.

根据模具几何特征，通过建立流体力学模型描述液体对板料单元的动态影响，结合有限元数值模拟技术对塑性差、难成形材料防锈铝LF6的充液拉深进行数值模拟，并进行实验研究，得到了防锈铝充液拉深合理工艺参数。

The results indicated that the Fe3+ ion of Fe-AO-PAN was coordinated with three amino nitrogen atoms and three hydroxyl oxygen atoms of three amidoxime units on the surface of AO-PAN by covalent bond, and the coordination number was six.

结果表明， Fe-AO-PAN中的Fe3+能够与AO-PAN表面三个偕胺肟链节单元的三个氨基氮原子和三个羟基氧原子进行配位反应，配位数为6。

The security unit is particularly useful as part of a memory unit that is attachable to a recording/reproduction device such as a digital audio recorder/player.

当安全装置用作可接装在记录／再现设备比如数字音频记录器／播放器上的存储器单元的一部分时，该安全装置尤其有用。

The reciprocity between PPCG and caffeine molecule was also simulated and calculated.It was found that the caffeine molecule was selectively distributed in CO2 habitat,but never in γ-butyrolactone habitat.

通过对PPCG与药物分子咖啡因相互作用的分子模拟和计算，进一步了解咖啡因分子是选择性地分布到CO2结构单元的区域中，而在GBL区域无分布。

The new CAMB is now up and work generation has commenced; in addition, credit for the new WUs has been increased, since lensing is now re-enabled.

新的CAMB程序已经发布，新任务单元的积分也有所增加（因为重新启用了lensing，这是啥？）。

Some time ago, I made an 8-element coax collinear, using the wireless.gumph.org instructions.

不久前，我参照wireless.gumph.org 网站上的说明，做了一个 8 单元的同轴电缆天线。

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。