这张新地图给出了附近大约500千米乘400千米范围的地形。
This new map provides contiguous topographic detail over a region approximately 311 miles by 249 miles (500 kilometers by 400 kilometers).
所有可检测到杀虫蛋白的溪流地点均位于玉米地500米范围之内。
All of the stream sites with detectable insecticidal proteins were located within 500 metres of a corn field.
基于数字移动电话的原则的小型无线网络，目前在几百米范围上提供的数据传输速率在2和10兆比特每秒之间。
Small wireless networks, based on digital cellular telephone principles, currently offer data rates between two and 10 megabits per second over a range of a few hundred meters.
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