【单选题】The use of an anchor to assist in turning in restricted waters is ______.
C.
The sign of a novice shiphandler
D.
To be used only with a single-screw vessel
【多选题】4-10 多选(2分)下列说法正确的是________。
D.
任意两个最小项mi和mj(i≠j)的乘积恒等于0
【多选题】多选(2分)下列说法正确的是________。
D.
任意两个最小项mi和mj(i≠j)的乘积恒等于0
【单选题】以下说法中,正确的是:
D.
一个逻辑函数中任意两个不同的最小项之积恒等于1
【单选题】下列说法不正确的是________。
D.
任意两个最小项 和 ( i ≠ j )的乘积恒等于0
【单选题】The use of an anchor to assist in turning in restricted waters is _____.
A.
the sign of a novice ship-handler
B.
to be used only with a single-screw vessel
【单选题】以下说法,正确的是?( )
D.
一个逻辑函数中任意两个不同的最小项之积恒等于1
【判断题】心理发展包括 心理过程各种技能,如感知觉、记忆、注意、思维、想象等。
【单选题】You are planning to anchor in an area where several anchors have been lost due to fouling.As a precaution,you should ______.
A.
anchor using both anchors
B.
anchor with scope of 8 or more to 1
D.
fit a crown strap and work wire to the anchor