用以

In recognition of the universality of politeness , we must also recognize that the relative nature of politeness , that is , the standards that people used to determine politeness have diverseness .

要：礼貌是一种语用现象，这在语用学界已经成为人们的一种共识，礼貌通常被人们理解为说话人为了实现某一目的而采取的策略，比如增加或维护交际双方的和睦关系，在承认礼貌的普遍性的同时，还必须认识到礼貌的相对性，也就是说，人们用以判断礼貌的标准具有差异性。

Politeness is a pragmatic phenomenon, which has become a consensus in the academia of phrase using, politeness is usually been interpreted as a strategy to achieve some purpose, such as to increase or maintain the harmonious relations between the two sides. In recognition of the universality of politeness, we must also recognize that the relative nature of politeness, that is, the standards that people used to determine politeness have diverseness.

摘 要：礼貌是一种语用现象，这在语用学界已经成为人们的一种共识，礼貌通常被人们理解为说话人为了实现某一目的而采取的策略，比如增加或维护交际双方的和睦关系，在承认礼貌的普遍性的同时，还必须认识到礼貌的相对性，也就是说，人们用以判断礼貌的标准具有差异性。

A do-nothing function like this is sometimes useful as a place holder during program development.

这种不执行任何操作的函数有时很有用，它可以在程序开发期间用以保留位置。

A document used to effect delivery on a futures contract, such as a warehouse receipt or shipping certificate.

用以实现期货合约交割的证明文件，如栈单或海运信用证。

An identifying mark on the ear of a domestic animal.

出现在图下部的说明，用以标识图的各区域。

Lid done with stainless steel plate floor, built-silicate insulation, Furnace Door size 350 mm wide, 580 mm high, the overall lateral wall elevate electric holding furnace door, Furnace Door closure of the Furnace Door as a whole round , Furnace Door sealing performance enhancements, dial made of stainless steel by 1600 m / m turntable, used to load the workpiece, the entire wheel of the plane is not division, the operator can be stacked workpiece, as dial-rotation every 40 minutes a week , when the operator can not see dial in almost rotation, and Furnace Door open the larger operators can be arbitrary and out of the workpiece, and without time limits can dial in 20-60 minutes a week to arbitrary rotation speed, regardless of Furnace Door hoist, from the start of work on the dial continuous rotation, and there was no need for chain hoist Furnace Door, the need to stop rotating, just press the control cabinet, stop button, the gate Furnace Door, operators to seize its own, activated installed in the furnace door open and close button.

炉盖采用不锈钢板做底板，内置硅酸铝保温，炉门尺寸宽350mm，高580mm，侧墙体中整体向上提升式电动保温炉门，炉门关闭时整个炉门为一个圆形整体，炉门密封性能增强，转盘采用不绣钢制成1600m/m转盘，用以承载工件之用，整个转盘为平面不分工位，操作人员可以任意堆放工件，由于转盘每40分钟旋传一周，工作时操作人员几乎看不到转盘在转动，加上炉门开的较大，操作人员可以任意进出工件，而不受时间限转盘可以在20--60分钟旋转一周的时间任意调速，不论炉门启闭、转盘从启动工作就不间断的旋转，没有任何必要与炉门启闭进行联锁，需要停止旋转时，只需按下控制电柜上的停止按钮即可，炉门的启闭，由操作人员自行掌握，按动安装在炉门边的启闭钮即可。

Collapsar route is used to absorb all message and drainer router is used to collect ICMP unreachable message to find out the attack origin.

检测到攻击后，黑洞路由用于吸收所有报文，而下水道路由器则收集ICMP unreachable报文，用以分析找到攻击源。

The high chrome cast-iron added a variety of drib and microscale elements was used to make the flat hammer in overpressure turbine crusher,which can improve the wearing resistance and synthesize mechanical property of the products greatly,and the life of the products is 4 times longer than the former high-manganese steel .

在高铬铸铁中加入多种少量和微量合金元素用以生产反击式破碎机板锤，可使产品耐磨性和综合力学性能得到很大程度的改善，使用寿命比原用高锰钢提高4倍以上。

Arrow type check valve used to be installed between drill stem and bit to prevent drilling fluid backflow from the bottom.

箭形止回阀用以安装在钻杆和钻头之间防止钻井液从井底回流。

Yet in tracing the history of this association, it certainly does not seem to have suggested itself to very early thought, but is rather the offspring of a comparatively late philosophy It is remarkable too that the "equality" of laws on which the Greek democracies prided themselves —— that equality which, in the beautiful drinking song of Callistratus, Harmodius and Aristogiton are said to have given to Athens-had little in common with the "equity" of the Romans.

但在探求这种联想的来历时，我们当然还不能证明它是一种早期的思想，它只是比较后来的一种哲学的产物，同时也必须注意，希腊民主政治用以夸耀的法律"平等"——这种平等，在卡利斯屈拉得斯（Galli -stratus）的美丽的酒歌中，据说是哈马笛斯和阿利斯托杰顿给予雅典人的——与罗马人的"衡平"很少共同之处。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。