chord of contact

Chord tangent method,which is widely applicable,is proposed which integrates the advantages of different methods of measurement and design.

对目前铁路曲线测设的切线支距法、偏角法、极坐标法进行对比、分析 ,融合各种测设方法的优点 ,提出一种广泛适用的弦切法 ,可以任选支镜点 ,适用各种地形条件下的曲线测设。

Effects of different extraction treatments on performance of tangential section interface were tested for wood of Castanopsis fissa.

试验结果表明,黎蒴栲试件经苯-醇、热水、温水和冷水等抽提工艺处理后,用光学接触角测定仪测出水滴与其弦切面的接触角,比处理前均有不同程度的增大,表面自由能相应降低,而在碱抽提处理后,则水滴与其弦切面的接触角比处理前减小,表面自由能增大。

41 times of flat-sawn board of Larch in normal conditions; wet compressing shear strength of quarter-sawn board of Larch was 0.

首先，研究了落叶松、桦木和柞木不同的剖切方向对木材胶接性能的影响，试验结果表明：落叶松径切板胶合强度试件的常态压缩剪切强度是弦切板常态压缩剪切强度的1。

Stripes sometimes noticeable on flatsawn face. Easily worked. Sliced veneer-flooring and wall. Sawn lumber-furniture, door-sills and flooring.

在木材弦切面可见条纹。平切单板-地板、板。板材-家俱、槛、板。

Wood rays of P. armand and P. prokoraiensis on tangential section both had two shapes,that was, uniserial wood ray and spindle wood ray.

华山松与前红松弦切面上的木射线均呈两种状态,即单列木射线和纺锤形木射线;

With a bit more effort, techies could also compute ratios, inverses, sines, cosines and tangents.

如果再多花点功夫，这些科技高手还能算出比例、数、弦、弦和正切等值。

" Metallic materials--Determination of Young's modulus, chord modulus, tangent modulus and Poisson's ratio (statical method)"

GB/T8653-1988金属杨氏模量、弦线模量、切线模量和泊松比试验方法(静态法)

Rubber--Determination of dynamic properties of vulcanizates for classification purposes (by forced sinusoidal shear strain)

GB/T13937-1992分级用硫化橡胶动态性能的测定强迫正弦剪切应变法

We also consider some generalizations on the Arnold chord conjecture to the non contact manifolds and prove some existence results.

另外 ,也把阿诺德弦猜想推广到非切触流形并证明了一些结论

chordwise force

弦向分力；连系座标系切向(空气动力分)力；弹体座标系切向(空气动力分)力

Mrs. Thatcher appeared, looking radiant in a smart turquoise outfit, and gave a rousing speech.

身穿一套鲜艳绿色服装的容光焕发的撒切尔夫人露面发表了扣人心弦的讲话。

There could be no star or chief actors; the entire group must play together like an orchestra. Scenery and costumes must be authentic.

可以没有明星、没有主要演员;全体演员必须像管弦乐队一样密切配合。布景和服装必须真实。

Accordingly,the least teeth number without undercutting is also decided only by the design pressure angle of the gear,without any relation to the coefficient of addendum height of the gear.

相应的无根切最少齿数也仅取决于正弦齿轮的设计压力角,而与齿顶高系数值无关.

sound the strings of (a guitar or similar string instrument).

使弦乐器的弦发出声音。

sine-cosine resolver

正弦－余弦解算装置

There are two strings, with a four- or five-octave range.

张两弦，按四五度定弦。

The cord attached to both ends of an archer's bow.

弓弦连系弓两端的弦

Relating to or consisting of a harmonic chord.

和弦的与和弦有关的或由和弦组成的

This article refers to: the fixing-string (movable-doh) method and the mode, the feature of the open string of the fixing-string method, the fixing-string method and the range, the fixing-string method and the key, and the special fixing-string method of the erhu.

弦法与调式、弦法的空弦特色、弦法与乐曲音域、弦法与调、二胡的特殊定弦法。

he instrument has two strings with a four-octave range, and it is played with a horsetail-hair bow on the outside of the strings.

张弦两根，四度定弦，用马尾弓在弦外拉奏，

One of the pegs securing the strings and regulating their tension on a stringed instrument.

弦轴，琴轸用来固定弦或调弦的松紧的部分