使用左手的

One important line of evidence comes from flaking patterns of stone cores used in toolmaking: implements flaked with a clockwise motion (indicating a right-handed toolmaker) can be distinguished from those flaked with a counter-clockwise rotation (indicating a left-handed toolmaker).

一条重要的明显的线索来石片图案中心所使用的工具：是按顺时针的方向来工作（这表明这个精具的制造者是用右手工作的），这能识别按逆时针方向来旋转的薄片（这表明这个精具的制造者是用左手工作的）。

The ZOR uses the left-handed materialas unit cells,which is composed of complementary split ring resonators and series gaps.On the basis of traditional design,a bandpass filteris designed.And the method to determine the resonant frequency and susceptance slope parameter is proposed.

零阶谐振系统以互补分裂谐振环和一系列沟道组成的左手材料LHM（Left-Handed Material）为基本单元，在传统设计的基础上进行改进，得到适合具有严格设计要求的滤波器设计使用模型，并给出此零阶谐振系统的共振频率和导纳斜率参数的确定方法。

The wide arpeggios in the left hand, maintained in a continuous stream of tone by the strict legato and fine and constant use of the damper pedal, formed a harmonious substructure for a wonderfully poetic cantabile.

左手广泛的琶音，通过连奏以及巧妙地连续使用延音踏板，保持着连续的一连串的音调，为诗歌般的轻柔流畅形成了和谐的基础。

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