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单选题
Position Computing refers to that portion of the system which combines navigational information to compute the aircraft＇s geographical location, including items such as course computers, etc.
A
位置计算是指系统中结合航行信息来计算飞机地理位置的部分，包括航向计算机等部件。
B
位置计算是指系统中组合导航信息来预测飞机地理位置的部分,包括航道计算器等部件。
C
位置计算是指系统中利用航行信息来估算飞机地理位置的部分，包括计算机基础课程等项目。
答案解析
正确答案：B
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