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汉语拼音：dì píng miàn

1.大地的水平面。天文学上指与地球半径成直角的平面。即以站立的观测者为中心的垂直平面。

1. 大地的水平面。天文学上指与地球半径成直角的平面。即以站立的观测者为中心的垂直平面。

• This effect is magnified when the sun is close to the horizon and its light passes through the densest atmospheric layers.

  当太阳接近地平面，光线穿越最浓密的大气层时，这种效应就会加强。

• The viewport now shows the cannon with a background sky and a ground plane, as shown in Figure QS . 5.

  现在的视图显示了以天空为背景的地平面上的火炮，如图QS.5。

• So before rebuilding houses, shops and factories, the sea wall will have to be restored and heightened, and the ground raised.

  所以开展全面重建工作之前（重建房屋，商铺，工厂），必须先修复加高被冲毁的海堤，并且填高沉降地平面。

• When a ship appears on the horizon, the first things you see are the ship's sails.

  当一艘船出现在地平面的时候，你首先看到的是船帆。

• As the pulsar rotates, this beam sweeps the sky in the same way that a light house beam sweeps around the horrizon.

  当脉冲星旋转时，辐射来扫过天空，就像灯塔的光束绕地平面扫视那样。

• It is true that this arrangement may inject a small amount of digital noise onto the an alog ground plane.

  这样的安排，的确会将少量的数字噪声引入到模拟地平面中。

• Ground level on the South East corner. The black pipes are the beginning of work on the pitch drainage system.

  球场位于东南方的地平面视野。那些黑色的管子是工程最初的球场排水系统。

• Large sunspot group AR 9169 from the last solar cycle is visible as the bright area near the horizon.

  最近一次太阳活动周期中的大型太阳黑子团AR9169可以在图中靠近地平面的明亮区域中看到。

• On a cloudless night, frost may form on horizontal surfaces even when the temperature of the air is above freezing.

  在晴朗的夜晚，即使空气的温度在冰点以上，地平面上也能结霜。