四手的

To solve this problem, several methods have been introduced for the recovery and reuse of the ligands and osmium tetroxide.

为了解决这一问题，科学家探索了多种回收手性配体和四氧化锇的方法。

About 40 percent reported hand or arm symptoms, mostly from tendinitis.

约有百分之四十出现手或手臂的症状，其中大部分来自肌腱炎。

I think we have faced Celtic three or four times and every game has been very hard against them, at San Siro and in Glasgow.

我想我们和凯尔特人交过三到四次手，与他们交手的每一场都很艰苦，不管是在圣西罗还是在格拉斯哥。

Some swimmers kick with a six-beat kick in freestyle (six kicks for each stroke cycle), while others use a two-beat kick or a four-beat kick.

有些游泳运动员自由泳做6次打腿（一个完整的自由泳划手周期内作6次打腿），但有些运动员则作两次或者四次。

Chapter four deals with the synthesis , spectroscopic and structural study of two novel chiral annuloid compounds derived from 1,2-diaminocyclohexane via silicon and phosphor.

第四章讨论了两个硅、膦环合环己二胺手性配体化合物的合成及其光谱特性与结构特征。

Objective To study the effect of acupuncture of four handneedle on the anterior headache,Migraine,posterior headache and calvaria headache.

目的 探讨针刺手四针对前头痛、偏头痛、后头痛和头顶痛的治疗作用。

Then the protected D-mannitol, mixed with lead tetraacetate, hippuric and acetic anhydride, were refluxed in THF for 18 h in a one-pot two step reaction to afford a chiral precursor-2-phenyl-4-[-2,3-O-]-propylidene-5(4H)-oxazolones.

产物与四乙酸铅、马尿酸、乙酐于THF中回流18 h完成一釜二步反应，纯化后得到含有手性碳原子的环丙烷氨基酸前体-2 苯基-4-[-2，3-O-]丙叉？

CHAPTER III QUADRIFRONS Chinese That evening, as he was undressing preparatory to going to bed, his hand came in contact, in the pocket of his coat, with the packet which he had picked up on the boulevard.

三 四 脸人英文晚上，他正要脱衣去睡，手在上衣口袋里碰到他在路上拾的那包东西。

VINE.-The Forty-fifth Spirit is Vine, or Vinea. He is a Great King, and an Earl; and appeareth in the form of a Lion, riding upon a Black Horse, and bearing a Viper in his hand.

第四十五位是伯爵Vine，外形是骑在黑马之上的狮子，手擎毒蛇。

VINE.-The Forty-fifth Spirit is Vine, or Vinea.

第四十五位是伯爵Vine，外形是骑在黑马之上的狮子，手擎毒蛇。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。