种内的

Scientists have not identified the compounds; they do not know where in the body the pheromones are produced.

科学家尚未鉴别出该种化合物；他们也不知道信息素在在机体内的什么地方产生。

The results show that Cu and Zn tend to be quasi-conservative, whereas Cd, Co and Ni are remobilized over a broad salinity range in the Changjiang Estuary.

结果显示，溶解态Cu和Zn在长江口低盐度区趋于部分混合保守性，其他三种微量金属都不同程度呈现出全盐度范围内的溶出行为。

Another kind of inclusion comes from foreign material becoming embedded in the weld metal while it is hot.

另一种夹渣来自于未冷却时就嵌入到焊缝金属内的异物。

The invention relates to an electric spindle integrated with an internal motor and radial air bearings and the motor spindle comprises an outer shell, an internal motor, a front cover and a back cover.

本发明涉及一种内装电机和径向空气轴承集成的电主轴。

Single-Screw Pumps is an enclosed screw pump with inner gearing, a kind of rotor positive-displacement pump.

型单螺杆泵是一种内啮合的密闭式螺杆泵。属转子式容积泵。

This is a type of leather shoe filled with Wula grass.

这是一种内装填乌拉草的皮鞋。

Japanese researchers have developed head gear that uses infrared sensors and a microcomputer to let people operate music players by clenching their teeth.

日本研究人员近日开发出一种内置红外线传感器和微型计算机的头套，通过这种装置，人们只需咬紧牙就能启动音乐播放器。

Lead is a systemic toxin that affects nearly every organ system in the body.

铅是一种内吸收毒物，能影响几乎全身的所有器官组织。

It penetrates the substrate and chemically bonds with it, to form an invisible water-repellent barrier that lasts 10 years.

它渗透到基板内而产生化学结合，形成一种无形的防水屏障，能持续10年。

A rotary engine is an internal combustion engine, but it works in a completely different way than the conventional piston engine.

旋转式发动机是一种内燃型发动机，但是它与传统的活塞式发动机完全不同。

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