三维地震勘探施工中要求炮点位置准确,实际炮井位置应尽量靠近标桩,其偏离误差在平行接收线和垂直接收线方向均应小于()道距。
A.1/2
B.1/3
C.1/10
D.1/5
参考答案:C
Although she could speak very little Chinese, ______ we did manage to communicate with her. [ ]
A. anyhow
B. anyway
C. somewhere
D. somehow
实际上,经络系统就是人体生物电的网络系统,是人体的又一物质循环系统。