regional pulmonary function ==> 区域性肺功能 regional reflex ==> 区域反射,分节反射 regional reliability council ==> One of ten Electric Reliability Councils that form the North American Elect...
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针对一种特殊的三维目标——平滑弯曲表面，从理论上讨论了它的区域反射特性；
The zone reflection characteristic of the smooth bent surface—a special 3 D object is discussed in theory in the paper.
但即使是美国最亮的城市拉斯维加斯，其发出的亮度也仅只及太阳光在这块区域反射亮度的万分之一。
But even the brightest city in America, Las Vegas, emits only about a ten-thousandth as much light as the sun shines upon the same area.
它们将一束集中的光线反射到城镇的中心广场上，形成面积大约为600平方米的阳光区域。
They reflect a concentrated beam of light onto the town's central square, creating an area of sunlight roughly 600 square meters.
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