查询词典 surface arcade

A curve on a surface of revolution, formed by the intersection of the surface with a plane containing the axis of revolution.

二次曲面的由二次方程式所定义的几何平面的，或与其有关的

A curve on a surface of revolution , formed by the intersection of the surface with a plane containing the axis of revolution .

为什么我们过去能在非常困难的情况下奋斗出来，战胜千难万险使革命胜利呢

And the effects of casting speed on surface fluctuation,surface bareness,slag entrapment and removal of inclusions in the mold were investigated.

通过物理模拟研究FTSC结晶器内的钢液流动行为，考察了拉速对结晶器内液面波动、液面裸露、卷渣及夹杂物去除的影响作用。

This indicates the presence of the surface states on the surface of the barrier layer.

近期的研究表明，在GaN和AlxGa1-xN势垒层的表面存在表面态，这对GaN和AlxGa1-xN/GaN异质结中载流子的分布有显著的影响[8～ 11] ，从而对基于调制掺杂AlxGa1-xN/GaN异质结构器件的性能有着很大的影响，会降低载流子浓度和漏电流，减小器件的跨导和阈值电压。

Finally, a new method of errors analysis (midpoint and barycentric measure method )are presented to measure the errors of surface reconstruction, strong practicability shows that this error measure method is feasible to testify the validity of surface reconstruction.

最后，本文对重建曲面进行了误差分析，提出了一种新的误差度量方法，即中点、重心误差度量法；此方法运算效率高，并在一定程度上可以衡量曲面重建效果的好坏。因此有很强的实用性。

Such as angle grinder, wire brush, needle beam pneumatic rust, and wind knock rust hammers, gear-type rotary rust, etc., are semi-mechanized equipment, tools, light, mobility, and to more thoroughly to rust , old coatings, the coating can be played on the shelf hair treatment, significantly more efficient than manual derusting increased up to 1 ~ 2m2 / h, but can not remove the oxide skin, the smaller surface roughness and can not achieve high-quality surface to deal with quality, ergonomic handle lower than the jet.

如角向磨光机、钢丝刷、风动针束除锈器、风动敲锈锤、齿型旋转除锈器等，属于半机械化设备，工具轻巧、机动性大，能较彻底去除锈、旧涂层等，能对货架涂层进行打毛处理，效率比手工除锈大大提高，可达1~2m2/h，但不能除去氧化皮，表面粗糙度较小，不能达到优质的表面处理质量，工效较喷射处理低。

The circuit board surface one that is at this time is flat, there is no mark to be recognize, have to beat in the circuit board surface for the sake of the convenience of management track and creation up argue to see code by with recognize.

此时的电路板表面一片平坦，没有任何记号可辨认，为了管理追踪及制作的便利性，必须在电路板表面打上辩视码藉以辨识。

Our investigation and analysis show that the free surface conditions of the slope and the surface connectivity of limestone bedding plane were the base of landslide formation.

震前斜坡为三面切割的孤立型山脊，相对高差达1500m；斜坡岩层走向与坡面近于垂直，层面延展性极好，构成滑动面形成的基础。

Based on the data obtained from Haizhou Bay of Lianyungang in 2008, the concentrations and distributions of heavy metals in surface water, surface sediments and benthos were studied.

根据2008年连云港海州湾碱厂海域调查资料，分析了连云港近岸海域海水、表层沉积物及底栖动物体中重金属的含量和富集情况。

All the indices met the demands of environmental quality standards of surface water and the method was suitable for the analysis and determination of benzene series in surface water.

各指标均符合地表水环境质量标准的要求，适合地表水中苯系物的分析测定。

The role of the environment is very important.

的作用，环境是非常重要的。

At that time, the High Court of England and Wales Court of Queen's Bench president of William Murray, Lord Mansfield in June 22, 1772 ruling:"No matter then there is the inconvenience, but there must be a decision, I can not say that this case under the law in England are permitted or authorized; are so black should be released."

当时的英格兰及威尔士高等法院王座法庭院长William Murray， Lord Mansfield于1772年6月22日宣判：「无论有那麽不便，但总要有个决定，我不能说这件案在英格兰法律之下是准许或认可；所以黑人是应该被释放。