英文：New satellites can be launched for use in navigation, weather forecasting, broadcasting, and computer technology.
中文：我们可以合作发射各种新型卫星, 包括用于导航、气象预报、广播、电子计算机技术等方面的卫星。
英文：Weather forecasting is an inexact science.
中文：天气预报是一门模糊的科学.
英文：The study or forecasting of potential developments, as in science, technology, and society, using current conditions and trends as a point of departure.
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