四手的

A manager who own a bath center of, he said that he opened the Bath Center for 4 years, but he never rub duwm for his father and did not give a foot to his mother. He said he returned home after the evening, when he put his father's hand and watched over one full of callosity's hand, he tears.

一个开洗浴中心的总经理，他说他开了四年的洗浴中心，没有给爸爸做过一次按摩，没有给妈妈做过一次足底，他说他晚上回家之后，当他把他父亲的手拿过来一看，满手的老茧，他流泪了。

In this synthetic system, the central metal coordinated withSchiff base and chiral diol simultaneously, and a "mix-ligands complex" type chiral synthonformed.

在该合成体系中，四价的中心金属同时与氨基酸酯Schiff碱和手性二醇配位，形成了一个"手性合成子"。

Having four feet with opposable first digit s,as primates other than human beings.

四足如手的有四足和与其他脚趾相对的第一个足趾的；如除人类以外的灵长类动物

Methods through analyzing the state of 175 children nursed with canal treatment, we conclude the key of nurses' cooperation of the four-handed technique and compare experimental group with control group in treatment time of every tooth and the degree of satisfaction of patient.

对175例根管治疗的儿童护理情况进行分析，总结护士在根管治疗术中四手操作的配合要点，并且比较四手操作组和自身对照独立组在每牙每次治疗时间和患者满意度的差别。

With Bobby Abreu, Johnny Damon and Hideki Matsui, the Yanks have three durable All-Star-level outfielders. So it already is going to be difficult to play fourth outfielder Melky Cabrera, much less a fifth outfielder such as Williams, who has no value as a defensive replacement or pinch-runner, and admittedly hates to pinch-hit.

有Bobby Abreu， Johnny Damon和Hideki Matsui三位可靠的明星级外野手在阵中，就连身为第四外野手的Melky Cabrera恐怕也没有太多发挥空间，更别提一个非守备功能性球员，也无代跑能力，甚至还承认自己痛恨担任代打角色的第五外野手了

By analyzing the inherent relationship among the image plane,the mirror plane and the correspondences,this paper puts forward a novel way for 3D hand reconstruction,which not only facilitates theoretically analyses for further research,but also make it easy to reconstruct a 3D object with high accuracy.

1引言人机交互和信息处理是21世纪公认的四项重大技术之一，基于视觉的自然手的重建和识别是实现自然和谐的人机交互系统的一个关键问题，也是进一步进行基于视觉的虚拟手研究中要解决的一个瓶颈问题。

The result of the study shows that every single piece has its own title and implied style which inspires children's imagination towards music. Besides, the length of music is often kept within 48 measures, which is short enough to maintain children's attention during practicing and performing. The spreading range of fingers is set within sixth during the music, which suits children's palm shape. Also, the music is mainly based on ternary form which provides a simple structure with motivated composing strategies of repetition and sequence. All the above shows that he successfully grasped the characteristics of beginner and intermediate piano learners and adopted the regularity and pure nature of music in composition which tends to attract children's interests.

结果发现：每首乐曲都有标题，可藉由标题与提示风格开启儿童对音乐的想像空间；乐曲篇幅短小，多在四十八小节内，配合儿童有限的专注时间，便於练习与弹奏；乐曲中，手的扩张幅度以六度内为主，音程跨距适合儿童手的大小；乐曲结构单纯，曲式组织以三段体为主，动机写作手法以反覆、模进运用最多，也显示卡巴赖夫斯基掌握初、中程度学生的特徵，运用音乐规律性与单纯本质写作易为他们所喜爱的作品。

A group of four or more unseparated postage stamps forming a rectangle.

四手联弹的四手联弹的，如在钢琴合奏中

Operation: First of all, the performer holds the back up of beneficiary's hand with both four fingers and pressing on both big and small "Yu Ji" point with both thumbs and pushing along with both "Yu Ji" to the tips of little finger and thumb for six times and then holds the wrist with one hand to press from both sides with thumb and forefingers and another hand to hold and to push the joints of fingers of beneficiary to smooth out and shake from the root to the top of the fingers.

操作：首先用两手四指托扶住受术者掌背，用大拇指分别压在掌根大小鱼际处，同时沿大小鱼际方向向指尖处分推6次；再用一只手托住其腕，另一只手的拇指指腹与食指夹合，着力推捏受术者的指关节，自指根捋抖到指端。

When a malfunction of the satellite occurs, the teleoperator uses a space mouse and a data-glove with force feedback to control the arm/hand system fixed on the satellite body to remove the malfunction to implement the satellite self-serving.

远端由安装在卫星本体上的一个四自由度机器人和灵巧手的臂／手系统组成，当卫星出现故障时，遥操作者通过空间鼠标和力反馈数据手套分别控制远端的臂／手系统排除卫星故障，实现卫星的自我维护。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐