天津联通的粗定位能力(基站)采用哪种定位技术()
A.单基站定位技术
B.多基站定位技术
C.混合定位技术
D.精确定位技术
参考答案:A
Taking unilateral actions by bypassing the Security Council is dangerous and against the will of all member states.
汽轮机调峰有三种方式,即()运行、()运行和()运行。