Halley realised that Mercury was so far away that its parallax angle would be very difficult to determine.
哈雷意识到水星离地球如此之远，以至于很难确定它的视差角。
As Venus was closer to the Earth, its parallax angle would be larger, and Halley worked out that by using Venus it would be possible to measure the Suns distance to 1 part in 500.
由于金星离地球更近，所以它的视差角会更大。哈雷计算出，利用金星可以测量出太阳与地球之间的距离，误差为五百分之一。
SI: With this parallax barrier technology, the LCD must be a certain distance away from the screen. It also needs a certain viewing Angle.
岩田聪：这个视差屏障技术需要要求液晶屏幕必须隔着一定的距离才能实现，同时需要一定的角度才行。
When placed in front of an LCD, the screen creates a sense of depth using the parallax effect (each eye views an object from a slightly different Angle).
如果在液晶显示器前面安置这种屏幕，由于视差效果(每只眼睛从稍微不同的角度看物体)的缘故，就会产生一种立体层次感。
It faces the television at an Angle that is neither direct, thus discouraging conversation nor so far wide as to create a parallax distortion.
而且这里对着电视的角度正好，既不会妨碍跟别人谈话，又不用把头扭得太过去而导致视差畸变。
It faces the television at an Angle that is neither direct, thus discouraging conversation, nor so far wide as to create a parallax distortion.
而且坐这里看电视的角度，可以直接看，又不会影响谈话，不会太远，不至于造成脖子过分扭曲。
It faces the television at an Angle that is neither direct, thus discouraging conversation, nor so far wide as to create a parallax distortion.
而且坐这里看电视的角度，可以直接看，又不会影响谈话，不会太远，不至于造成脖子过分扭曲。
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