查询词典 arc-boutant

In comparison with traditional machine tools with cradles, the new machine tools have many outstanding advantages, such as the mechanical construction is simpler and more compact, machine setting can be basically carried out using software, and the machine is provided with more abundant machining potentiality, and what more important is that both circular-arc and extended epicycloid bevel gears can be machined on the same generators.

与传统摇台类机床相比，这种新型机床有许多突出的优点，比如机械结构更加简单紧凑，机床参数基本利用软件进行调整，有更加丰富的加工潜能等。

The Sun's Parallax: The size of the earth as viewed from the Sun and expressed as an angle and generally taken to be 1/2 the diameter at the equator is 8.9008091 seconds of arc using 91848,817 miles as the mean distance to the sun and 3,963.4914 miles as the equatorial radius.

太阳的视差：作为太阳和地球的大小看作为一个角度表达，普遍采取的是1月2日在赤道，直径为8.9008091弧用平均91848，817英里秒距离太阳和赤道半径3，963.4914英里。

The mathematical models of the delay of the GPS signal in the circumstance are put forward respectively. The computation of orbital arc of the two satellite constellations is based on two body problem and perturbations models. An algorithm based on the IRI model and thin layer model is used to simulate the ionospheric delay of the GPS signal. The error models of observation, multipath, relativity and antenna phase center bias are also researched. Under the consideration of the autocorrelation of the electronical measurements, the autoregressive model of time series is introduced into the noise models.

在信号仿真中，研究了利用二体运动和摄动法计算LEO卫星至GPS卫星星座的几何距离的问题；在信号的误差模型中，研究了电离层时延的IRI2001模型和单层投影模型；讨论了观测误差、多径效应、相对论效应和天线相位中心偏移的误差模型；结合电子测量噪声的具有自相关特性的经验，研究了观测误差的AR模型；结合实测数据分析，讨论了接收机钟差和卫星钟差的误差建模问题。

Arc Legion-Causes forks of electricity to erupt from an Evoker's Focus device.

弧形电光-从震源装置里释放出弧形电光。

Objective To investigate the therapeutic effects of arc blade holder in extracapsular cataract extraction and intraocular lens implantation through small incision.

目的 探讨弧形刀片夹持器夹持剃须刀片做小切口白内障囊外摘出人工晶状体植入术的效果。

Mr Carter has a good feel for the arc America traced from the buoyant post-war optimism of the Apollo programme across the bridge of the Vietnam war to the pessimism surrounding Nixon's fall from power.

美国从战后经济的快速增长到阿波罗计划使人们充满了乐观主义，而从越战到尼克松下台的却又使人们充满了悲观主义。卡特先生对这段时期是身有感受的。

With the an programming design of hardware and software, the problem of false regulation caused by dum-my signal is solved, and the automatic stabilizing of arc length during welding process in the designed range effectively is guarranteed.

经过硬件和软件的抗干扰设计，解决了因伪信号而引起的误纠差调整问题，有效地保证了弧长在焊接过程中自动稳定在所设定的范围内。

Advanced technology; honeycomb filter, smooth-surfaced plastic steel process and arc design suitable for water flow keep scale deposit and feculence away from felt and deposit.

技术先进。蜂巢式过滤网，表面光滑塑钢工艺及适合水流的弧形设计，使得水垢和污物不易粘结、堆积。过滤网上的污物用水一冲即可洗掉，清洁简便。

Methods: Using regressive analysis to make the exact neck-axes and analyze lateral arc of femora.

用 Excel 软件中的回归分析方法准确确定股骨颈的中轴线，并对内侧弧进行数学分析。

Requirement for arc voltage during opening of field breaker is higher and higher, for de-excitation with varistor ,generally adopted for large hydraulic generator. In fact, E.M.Fof field winding is required higher than threshold of varistor during opening of field breaker.

大型水轮发电机通常采用的非线性电阻灭磁的方法，对灭磁开关的开断弧压要求愈来愈高，其机理是要求开关开断时，磁场绕组的自感电势大於非线性电阻的残压。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。