查询词典 photophone

Bell also invented the photophone, the ancestor of optical transmission systems; the audiometer, which is still used to test hearing; a device to find icebergs by listening to underwater echoes, the ancestor of SONAR; a desalinating machine for removing salt from seawater; a medical jacket that was the predecessor of the iron lung; the hydrofoil boat; and was part of a team that invented the three-wheel landing gear and wing flaps for airplanes.

贝尔还发明了光电话，光传输系统的原形；听度计，现在还在用于测试听力，通过使用这种装置收听水底回升发现冰山，是SONAR的原形；一种将盐从海水中分离的淡化海水装置；一种医用夹克，是人工呼吸机的前身；水翼艇；贝尔作为研究队伍成员之一还参与发明了飞机三轮起落架和襟翼。

As he spoke, the public photophone flashed a message from San Diego.

在它讲话的时候公共光线电话上显示出圣地亚哥那边传来的信息。

The photophone used free-space light to carry the human voice 200 meters.

当时，这光电话用自由空间光将人类的声音传送到200米之远。

In a daze, Wang turned the little green knob on the photophone to confirm.

一阵恍惚，王转了一下光线电话上的小绿旋钮表示确认。

His invention of the "photophone," in which a vibratory beam of light is substituted for a wire in conveying speech, has also attracted much attention, but has never been practically used.

他发明的" photophone "功能，它的振动的光线，是取代电线传达讲话，也引起了广泛注意，但从来没有实际使用。

That same year, Alexander Graham Bell developed an optical voice transmission system he called the photophone.

同年，亚历山大·格雷厄姆·贝尔Alexander Graham Bell，1847-1922，电话之父）发明了一种叫做光电话的声光电话传输系统。

Specially placed mirrors reflected sunlight onto a diaphragm attached within the mouthpiece of the photophone.

光束通过专门设计的镜子把太阳光反射到话筒的震动片上。

As one spoke into the photophone, the illuminated diaphragm vibrated, casting various intensities of light onto the selenium resistor.

当人对着话筒讲话时，光聚焦到的震动片随之震动，从而把各种强度的光波投射至硒光敏电阻器。

See also Decibel, Photophone, and SONAR.

参见 Decibel、Photophone和SONAR。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。