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These rugged stereo neckband headphones feature an ergonomic neckband and vertical transducer system for an optimum fit and comfort.

这些坚固的立体声耳机功能的领口适合和舒适的最佳人体工程学领口和垂直传感器系统。

In the study, we have found that when the long axis of an elliptical transducer is 2.5 times of the distance between nodal line and the plate center under free boundary condition, the depth of the first dip in mid frequency range of SPL spectrum can be greatly reduced.

从这些关系中可以得到激振器长轴是在自由边界条件下，节线到振动板中心距离的2.5倍时，中音谷会得到比较平缓的结果。

For plates with same thickness and material constants but different aspect ratios, we have studied how the distance from the nodal line of the first bending mode to plate center and the size of transducer affect the depths and locations of the first dips in mid frequency ranges of the plates' SPL spectra.

讨论在振动板厚度、材料常数固定不变的情形下，藉由改变振动板长？i比及激振器尺寸，来找出第一个弯曲模态图中节线到振动板中心距离与中音谷声压落差值、位置之间的关系。

According to the definition for the current and voltage transducer with small power, this paper provides the classification and nomen clature of transducers.

本人根据小功率电流电压变换器的定义给出了变换器的分类原则和命名方法，借助等值电路和相量图导出了各种电流电压变换器的误差公式。

Regarding humidity sensor as the core, the humidity measurement circuit of the humidity transducer is made up of nor gate circuit or 555 circuit and the output-circuit of it is made of operational amplifier, OP295 and BD237 in order to realize 4~20 mA current output.

湿度变送器以湿敏元件为核心，利用或非门电路或者555电路构成检测电路，利用运算放大器OP295和BD237构成输出电路，实现4~20 mA电流输出。

The paper deals in detail with the design conception and working principle of intelligent static pressure oilcan measuring system, using 89C51 as its core and NT 872 liquid-level transducer as signal collecting component.

邱燕霖 ，黄玮，郭雨梅详细论述了以89C51为核心，以NT872液位变送器为信号拾取部件的智能型静压式油罐测量系统的设计思想及工作原理。

A new collimating optical fibre transducer is presented.

介绍了一种测量表面粗糙度的准直型光纤传感器。

Analysis whether this pressure sensors fluxsystem be applicable smaller then 1 cm, and whether the pipe geometricalappearance and flow status influence the flux detection system .and relate velocityof flow、compressive stress、pipe configuration、laminar flow and overfall、differenceof the pipe radius、and so on Use the related principle of the hydromechanics , deduce the method of presswith 2 points and 3 points to measure the flux detection, analyzed the possibility ofmake use of MEMS compressive stress transducer to survey flux detection.possibility and related influence factors from the theories.

对实现压差式测量中多点压力传感器设置间距提出了小于1cm的设想，并用有限元分析模型模拟分析了在压力传感器间距小于1cm条件下流量测量的性能，取得了有意义的实验数据，证明了实现这一设想的可行性。

To realize its effect, this study implemented force transducer to measure hand force, and foot pressure sensor to measure weight bearing of lower extremity when patient wearing traditional PARAPODIUM. Additionally, the physiological cost index and walking speed were evaluated simultaneously.

为了解其效能，本研究透过力感测器量测传统的PARAPODIUM使用时手部力量大小，利用足压感测器测量下肢在传统PARAPODIUM的承重状态，并量测生理能量消耗（Physiological Cost Index，PCI）、走路速度及作用力矩。

When the peak-to-peak drive voltage of the transducer is 120 V,average of the results obtained using the proposed method and the radiation force method are 5.09 W and 6.06 W,respectively,with a difference of 16%.

测量结果表明，在换能器两端电压峰峰值为120V时，用本方法重复10次测得声功率的平均值为5.09W，相应的用辐射力法测得声功率的平均值为6.06W，两者相差16%。

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