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【多选题】
专利的特点有()A.
专有性
B.
时间性
C.
地域性
D.
专指性
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举一反三
【单选题】The use of an anchor to assist in turning in restricted waters is ______．
A.
A last resort
B.
Good seamanship
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________。
A.
全部最小项之和恒等于1
B.
最小项的反是最大项
C.
最小项的对偶式是最大项
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________。
A.
全部最小项之和恒等于1
B.
最小项的反是最大项
C.
最小项的对偶式是最大项
D.
任意两个最小项mi和mj(i≠j)的乘积恒等于0
【单选题】下列说法不正确的是________。
A.
全部最小项之和恒等于1
B.
最小项的反是最大项
C.
最小项的对偶式是最大项
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
C.
good seamanship
D.
a last resort
【简答题】本子套题——商品编辑——主辅图
【单选题】A vessel using a traffic separation scheme shall（）.
A.
only anchor in the separation zone
B.
avoid crossing traffic lanes，but if obliged to do so，shall cross on a heading at as small an angle as is practical
C.
avoid anchoring in areas near the termination of the scheme
D.
use the separation zone for navigation through the scheme if she is hindering other traffic due to her slower speed
【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
C.
use a stern anchor
D.
fit a crown strap and work wire to the anchor
【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
C.
use a stem anchor
D.
fit a crown strap and work wire to the anchor
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