1. on the beam : 航向正确；
2. off the beam : 脱离航向, 错；
及物动词
1. beam什么意思
1. Advertisers beamed their messages to fashionable female audiences.
广告商们以赶时髦的女性作为宣传的对象。
2. This transmitter will be beamed at East Asia.
这台发射机将用于对东亚广播。
不及物动词
1. Upon hearing the good news he beamed with joy.
一听到这个好消息，他高兴得眉开眼笑。
名词
1. beam是什么意思
1. The beams of the searchlights fingered the sky over the airport.
一道道探照灯光刺破机场的天空。
2. He greeted me with a beam of joy.
他笑容满面地迎接我。
1. 横梁：当地习惯把将要宰杀的猪,倒挂在横梁(beam)、木杠(yoke)或巨型的框架(big frame)上. 这些用以悬挂猪的架子(block)很像是要用水桶(bucket)从井里提水,于是人们用bucket代替了block.
2. beam是什么意思
2. 梁：最常用的单元族有:梁(Beam)、平面应力(Plane Stress)、轴对称实体(Axisymmetric Solid)、薄壳(Thin Shell)及实体(Solid单元的阶数依赖于节点内的应变插值方程的阶数,如线性单元每边有2个节点,抛物线单元有3个,三阶单元则有4个;
3. 束：作为一种将天线域MIMO信号处理转化为束(beam)域信号处理的方法,预编码技术可以在UE实现相对简单的线性接收机. 3GPP已经确定,线性预编码技术将被LTE标准支持. 但采用归一化(Unitary)还是非归一化(Non-unitary),
4. beam：brain electricity activity mapping; 脑电地形图
5. beam：brain electricity area mapping; 脑地形图
6. beam：brain electrical activity mapping; 最高功率区
1. 眉开眼笑；笑容满面
If you say that someone is beaming, you mean that they have a big smile on their face because they are happy, pleased, or proud about something.
e.g. Frances beamed at her friend with undisguised admiration...
弗朗西丝开心地对自己的朋友笑着，毫不掩饰她的羡慕之情。
e.g. 'Welcome back,' she beamed.
“欢迎回来，”她满面笑容地说。
2. （能量、放射线或粒子的）束，柱
A beam is a line of energy, radiation, or particles sent in a particular direction.
e.g. ...high-energy laser beams.
高能激光束
e.g. ...a beam of neutrons.
一束中子
3. （通过电子设备）发送，发射
If something beams radio signals or television pictures or they are beamed somewhere, they are sent there by means of electronic equipment.
e.g. The interview was beamed live across America...
这次访谈向全美国现场直播。
e.g. The live satellite broadcast was beamed into homes across America.
此次卫星直播被发送到美国的千家万户。
4. （光）束；（光）线
A beam of light is a line of light that shines from an object such as a lamp.
beam的反义词
5. 照耀；照射
If something such as the sun or a lamp beams down, it sends light to a place and shines on it.
e.g. A sharp white spotlight beamed down on a small stage...
聚光灯的强烈白光照在小舞台上。
e.g. All you see of the outside world is the sunlight beaming through the cracks in the roof.
而外面的世界，你所能看见的就只是透过房顶缝隙射进来的阳光。
6. 梁；横梁
A beam is a long thick bar of wood, metal, or concrete, especially one used to support the roof of a building.
e.g. The ceilings are supported by oak beams.
房顶用橡木横梁支撑。
7. （体操中的）平衡木
In gymnastics, the beam is a piece of equipment that consists of a narrow wooden bar on which gymnasts balance and perform movements.
8. see also: off-beam
词典解释1. 眉开眼笑；笑容满面
If you say that someone is beaming, you mean that they have a big smile on their face because they are happy, pleased, or proud about something.
e.g. Frances beamed at her friend with undisguised admiration...
弗朗西丝开心地对自己的朋友笑着，毫不掩饰她的羡慕之情。
e.g. 'Welcome back,' she beamed.
“欢迎回来，”她满面笑容地说。
2. （能量、放射线或粒子的）束，柱
A beam is a line of energy, radiation, or particles sent in a particular direction.
e.g. ...high-energy laser beams.
高能激光束
e.g. ...a beam of neutrons.
一束中子
3. （通过电子设备）发送，发射
If something beams radio signals or television pictures or they are beamed somewhere, they are sent there by means of electronic equipment.
e.g. The interview was beamed live across America...
这次访谈向全美国现场直播。
e.g. The live satellite broadcast was beamed into homes across America.
此次卫星直播被发送到美国的千家万户。
4. （光）束；（光）线
A beam of light is a line of light that shines from an object such as a lamp.
beam的反义词
5. 照耀；照射
If something such as the sun or a lamp beams down, it sends light to a place and shines on it.
e.g. A sharp white spotlight beamed down on a small stage...
聚光灯的强烈白光照在小舞台上。
e.g. All you see of the outside world is the sunlight beaming through the cracks in the roof.
而外面的世界，你所能看见的就只是透过房顶缝隙射进来的阳光。
6. 梁；横梁
A beam is a long thick bar of wood, metal, or concrete, especially one used to support the roof of a building.
e.g. The ceilings are supported by oak beams.
房顶用橡木横梁支撑。
7. （体操中的）平衡木
In gymnastics, the beam is a piece of equipment that consists of a narrow wooden bar on which gymnasts balance and perform movements.
8. see also: off-beam