声学的

The results show that stocks of Trichiuridae,Decapterus maruadsi,Trachurus japonicus,Nemipterusand Priacanthidaeare 5.04×10~(5),1.63×10~(5),1.04×10~(5),9.8×10~(4) and 9.2×10~(4) t,respectively,in the north waters of South China Sea.

根据调查资料，运用渔业资源声学评估方法对该海域的带鱼科、蓝圆鲹、竹荚鱼、金线鱼科以及大眼鲷科等5类23种经济鱼类进行了评估与分析。

Objective To probe into the clinical significance of applying acoustic densitometry to diagnosis untypical Kawasaki Disease of acute stage.

摘 要］目的：探讨声学密度定量技术在诊断急性期非典型川崎病中的临床意义。

Methods Subjects were assigned into three groups:34 cases of typical KD,31 cases of untypical KD and 30 cases of healthy children being as control.

摘 要］目的：探讨声学密度定量技术在诊断急性期非典型川崎病中的临床意义。

To evaluate the value of urethral retrograde contrast sonography in the diagnosis of urethral diseases.

目的：探讨逆行尿道声学造影在尿道疾病方面的诊断价值。

Objective:To evaluate the clinical value of ultrasonohysterography in diagnosis of uterine diseases.

目的：评价子宫声学造影在诊断子宫疾病中的临床价值。

This technology, developed by Holosonics , has introduced a directional speaker unit that many retail chains are currently testing for use in their stores.

这项由全方位应用声学公司开发的技术，引入一个导向扩音器单元，许多零售连锁店目前在店里试用。

True to tradition, these musicians use only acoustic instruments.

真正的传统，这些音乐家只用声学仪器。

Most of the sound field simulation focuses on researching the impulse response in closured sound field,and then calculates other sound parameters,due to various environment in outdoor sound field,there is less research.

大部分声场仿真侧重于在室内封闭声场的前提下研究声场能量脉冲响应，进而获得其他声学参数，而室外声场环境由于差别较大，考虑因素较多因此研究较少。

Calculations of diffracted attenuation are important for acoustic design of railway noise barriers.

铁路声屏障绕射衰减计算是声屏障声学设计的重要内容。

The line may pass through the dust cover centers of the first, second, and third acoustic drivers.

所述直线经过所述第一、第二和第三声学驱动器的防尘罩中心。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。