天空下的

Jo watched the outline of the town etched against the sky.

乔望着天空映衬下十分醒个城镇。

The church tower stood against the sky like a finger pointing towards heaven.

教堂尖塔天空映衬下宛如指向天空手指。

And all this beheath a sky by nature skyless in which the sun sets without setting at all and hides without hiding behind an unminding cloud.

而这一切都是一个本身没有天空天空下发生，太阳那里一点也不沉落地沉落一点也不隐藏地隐藏一朵非自愿云团背后。

In order to detect and track dim-point targets under the complex background of sky, a high speed method is put, which uses multiwindow, little yardstick, repetitious subtracting and fusing images.

针对复杂天空背景下弱点标检测与,出了一种利用多窗口、尺度、次差影融合点标图像快速检测与方法。