移频轨道电路互切发码方式只能从JZXC-480型轨道电路送电端发码。
参考答案:错
国务院批准的《五类残疾标准》不包括()。
A.视力残疾
B.听力语言残疾
C.内脏残疾
D.智力残疾
E.肢体残疾
_____ the three elements of productive forces, namely, the people, the means of production and the subject of labor, the people is that most critical.
A.From
B.With
C.For
D.Of