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For five anisometropic amblyopes and five normal controls, contrast sensitivities in both grating motion direction discrimination and moving grating detection were measured with the same moving sinewave stimuli over a wide range of spatial and temporal frequencies.

我们采用心理物理学方法研究了屈光参差性弱视患者对正弦运动光栅识别能力的损伤机制,测量了在一定时间空间频率下五名屈光参差性成人弱视患者和五名正常对照被试运动方向辨别和运动光栅检测的对比敏感度。

To further reduce smoking in New York City, in 2006 the New York City Department of Health and Mental Hygiene began an extensive, television-based antitobacco media campaign using graphic imagery of the health effects of smoking, which aired simultaneously with a large New York state antitobacco media campaign.

为使纽约市吸菸率降低的成效更佳,纽约市健康暨心理卫生局(Department of Health and Mental Hygiene,以下缩写为DOHMH)於2006年开始一个广泛性、以电视宣传为主的反菸媒体运动,其中采用吸菸所造成之健康影响的图像,该运动和一个大型的纽约州反菸媒体运动同时播出。

The concept of cognizing and adjusting trainings, which is a new research based on modern psychology and physical trainings. According to the theory on psychology studies it has become a new way on training player integrated by the study of physical training and athletical psychology.

&认知调节训练理论&是在现代认知心理学与运动训练学不断发展而产生的一种最新的研究成果,是在认知心理学理论指导下,结合运动训练学与运动心理学的相关理论而形成的一种全新的训练方法。

The motion of ships berthed in front of wharfs affect structure and wharf stability, so it is important to study the hydrodynamic response of berthing ships.

码头前系泊的船舶在波浪等外在环境因素作用下产生摇荡运动,船舶运动中对码头设施的碰撞将影响结构强度和码头的稳定性,因此对码头前系泊船舶运动响应的研究是很必要的。

China's state-owned media have mostly avoided the subject, as they have also stayed silent about the anniversary in June of China's own prodemocracy upheaval of 1989—tumult that was witnessed by Mikhail Gorbachev, Russia's leader, and which was bloodily suppressed only when he had gone home.

就像6月,在纪念1989年民主运动时,中国媒体保持沉默。中国的大多数媒体避免谈论这个主题。苏联领导人弋尔巴乔夫亲眼目睹了那场运动,在他回国后,运动被残酷的镇压。

The purpose of this research was to explore the impact of a physical activity program on exercise knowledge, exercise attitude, exercise self-efficacy, exercise behavior, and cardiorespiratory fitness among female students.

本研究目的为探讨校园运动计画介入对青少女运动知识、态度、自我效能、运动行为及心肺适能之影响效果。

By using the method of documentation, this article summarizes sports item,muscle strength and hormone changement on bone mineral density in order to provide theoretical references for preventing and curing osteoporosis.

采用文献资料研究法,综述运动项目,肌力以及运动引起激素改变对骨密度的影响,从而为进一步研究运动防治骨质疏松症提供了理论依据。

The small end of connecting rod acts to-and-fro movement, and the big end of acts circumvolve movement. The connecting rod body acts complex plane movement. The connecting rod is one of the accessories that endures heavy load. And at the same time it endures gas pressure transmitted from the piston, the to-and-fro inertia force and inertia force engendered when itself swings.

连杆工作的小端作往复运动,大端作旋转运动,杆身做复杂的平面运动,连杆是承受负荷最严重的零件之一,同时承受着活塞传来的气体压力、往复惯性力和它本身摆动时所产生的惯性力的作用,这些力的大小和方向周期性变化,易引起连杆疲劳破坏。

After take analyzed deeply for the opened magnet circuit with FEMM (Finite Element Method Magnetics) we find out the field distributing that is separated into three sections . One is the main area what we called as positive field section. Beside the main field there are tow areas that are called the inverted field sections. Loudspeaker arise a very serious distortion when the voice coil moving into inverted field areas. The direction of induced current in the coil part of entered inverted field area is same with the current driving into loudspeaker so that total currents increas largely and heat increase rapidly. With more coils moving into inverted area the voice coil will take on negative inductance properties. It is the main reason that voice coil is burned by heating with increasing current due to arise negative inductance. So opened magnetic circuit is not suitable for the woofers in which the voice coil have wider displacement range. When using this kind magnetic circuit design, the voice coil moving range should be less than the range of positive field to avoid loudspeaker arise serious distortion and heating. Even though voice coil moving range is in the positive area, loudspeaker will still arise more distortion because the field distribution is very cliffy at tow sides of the positive area and full range of magnetic field distribution is not parallel that will arise distortion. Base on above reasons, opened magnetic circuit is not an ideal magnetic circuit for low-frequency loudspeakers. But it can be used in mid-range or high-frequency productions.

开式磁路是由2片钕铁硼磁铁和主导磁板和导磁垫片组成,我们在实践过程中发现这种磁路结构不适合于低频扬声器的使用,我们通过使用FEMM(Finite Element Method Magnetics)软件包对该磁路进行了分析,该磁路的磁场范围被分成3个区域,其中在主导磁板附近形成一个正向磁场,在正向磁场的两边存在反向的磁场,音圈在工作时有很大一部分进入了反向磁场中,在反向磁场内线圈的感应电流方向与驱动电流方向相同,使得音圈呈现出负感抗特性,由于音圈的负感抗特性引起电流的增加导致音圈发热甚至烧毁,因此在扬声器中使用开式磁路时,音圈的运动范围应控制在正向磁场范围之内,否则音圈运动到反向磁场区域时将会产生很大的失真和发热,即使在设计时已经将音圈的运动范围控制在正向磁场范围之内,由于正向磁场的2个边缘磁场强度衰减太快,同时开式磁路中磁场的分布不是平行的,而是自由发散的分布,这样肯定会导致扬声器的非线性失真,因此我们得到的结论是:开式磁路并不是一个理想的磁路,它不适合于低频扬声器的使用,但它还可以应用于中高频扬声器。

The opened magnetic circuit is composed as tow NdFeB permanent magnets and a top plate without U-yoke. After take analyzed deeply for the opened magnet circuit with FEMM (Finite Element Method Magnetics) we find out the field distributing that is separated into three sections . One is the main area what we called as positive field section. Beside the main field there are tow areas that are called the inverted field sections. Loudspeaker arise a very serious distortion when the voice coil moving into inverted field areas. The direction of induced current in the coil part of entered inverted field area is same with the current driving into loudspeaker so that total currents increas largely and heat increase rapidly. With more coils moving into inverted area the voice coil will take on negative inductance properties. It is the main reason that voice coil is burned by heating with increasing current due to arise negative inductance. So opened magnetic circuit is not suitable for the woofers in which the voice coil have wider displacement range. When using this kind magnetic circuit design, the voice coil moving range should be less than the range of positive field to avoid loudspeaker arise serious distortion and heating. Even though voice coil moving range is in the positive area, loudspeaker will still arise more distortion because the field distribution is very cliffy at tow sides of the positive area and full range of magnetic field distribution is not parallel that will arise distortion. Base on above reasons, opened magnetic circuit is not an ideal magnetic circuit for low-frequency loudspeakers. But it can be used in mid-range or high-frequency productions.

开式磁路是由2片钕铁硼磁铁和主导磁板和导磁垫片组成,我们在实践过程中发现这种磁路结构不适合于低频扬声器的使用,我们通过使用FEMM(Finite Element Method Magnetics)软件包对该磁路进行了分析,该磁路的磁场范围被分成3个区域,其中在主导磁板附近形成一个正向磁场,在正向磁场的两边存在反向的磁场,音圈在工作时有很大一部分进入了反向磁场中,在反向磁场内线圈的感应电流方向与驱动电流方向相同,使得音圈呈现出负感抗特性,由于音圈的负感抗特性引起电流的增加导致音圈发热甚至烧毁,因此在扬声器中使用开式磁路时,音圈的运动范围应控制在正向磁场范围之内,否则音圈运动到反向磁场区域时将会产生很大的失真和发热,即使在设计时已经将音圈的运动范围控制在正向磁场范围之内,由于正向磁场的2个边缘磁场强度衰减太快,同时开式磁路中磁场的分布不是平行的,而是自由发散的分布,这样肯定会导致扬声器的非线性失真,因此我们得到的结论是:开式磁路并不是一个理想的磁路,它不适合于低频扬声器的使用,但它还可以应用于中高频扬声器。

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推荐网络例句

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47:5 法老对约瑟说,你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法,同时,采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。

Hey Big Raven, The individual lies dont matter anymore - its ALL a tissue of lies in support of...

嘿大乌鸦,个别谎言的事不要再-其所有的组织的谎言,在支持。