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- Keep in mind that each source point on the extended source is incoherent with respect to the others. 要记住，扩展光源上各个点之间彼此都是不相干的。
- The two algorithms, absolute difference and cross correlation are compared in theory and in computing time based on the fact that the lunar surface is low contrast and extended source. 接着，针对月面为低对比度扩展光源这一特点，在理论上讨论了实时分离大气倾斜量的互相关函数法和绝对差分算法的算法原理和运算量的比较。
- Extended sources of this sort are generally referred to as incoherent but this description is somewhat misleading as we shall see in a moment. 这种扩展光源一般叫做相干的。但是我们不久就会看到，这种叫法会使人产生一些误解，
- The news comes from a reliable source. 这消息来自可靠的来源。
- The gymnast extended her arms horizontally. 那女子体操运动员双臂平伸。
- It is a barbarous way to extend territory by arms. 以武力扩张领土是一种野蛮的方式。
- She warmly extended both hands towards us. 她热情地向我们伸出了双手。
- They extended the Queen a warm welcome. 他们热烈欢迎女王。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The bird extended its wings in flight. 那鸟展翅飞翔。
- The paddy area was extended to900000 mu last year. 去年稻田面积扩大到了90万亩。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- Had an extended vacation in the Alps. 拖长了在阿尔卑斯山的渡假时间
- An extended adventurous voyage or trip. 冒险旅行一次大范围的或冒险的旅行
- He extended his hand in greeting. 他伸出手来表示欢迎。
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- The hot weather extended into October. 炎热天气一直持续到十月。
- The Romans extended their conquests to Britain. 罗马人把征服范围扩大到了不列颠。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- The groundwork or source of something. 基础，根源某事物的基础工作或根源
