A、sound the danger signal
B、when taking action, make only course changes
C、avoid altering course toward a vessel abaft the beam
D、All of the above
更多“In restricted visibility, a vessel which detects by radar alone the presence of another vessel shall determine if a close quarters situation is developing or risk of collision exists. If so, she shall（）.”相关的问题
A、in sight of one another in fog B、navigating in or near an area of restricted visibility C、only if they are showing special purpose lights D、only if they have operational radar
A、regulate the fluid flow in either direction B、restrict movement of hydraulic fluid in one direction, but allow free movement in the other direction C、allow free movement of hydraulic fluid in both directions D、allow a restricted fluid flow in one direction only
A、A.Restrictions.ge（）方法等同于HQL运算符＞= B、B.Restrictions.like（"empName"，"s"，MatchMode.START）方法用于查找姓名以s开头的员工 C、C.Restrictions.disjunction（）方法用于指定多个逻辑与 D、D.Restrictions.in（）方法只能用于数组
A、A WHERE clause can be used to restrict both rows and groups. B、A WHERE clause can be used to restrict rows only. C、A HAVING clause can be used to restrict both rows and groups. D、A HAVING clause can be used to restrict groups only. E、A WHERE clause CANNOT be used in a query if the query uses a HAVING clause. F、A HAVING clause CANNOT be used in subqueries.
A、A WHERE clause can be used to restrict both rows and groups. B、A WHERE clause can be used to restrict rows only. C、A HAVING clause can be used to restrict both rows and groups. D、A HAVING clause can be used to restrict groups only. E、A WHERE clause CANNOT be used in a query of the query uses a HAVING clause. F、A HAVING clause CANNOT be used in subqueries.
A、the masthead lights for a towing vessel B、the lights for a vessel restricted in its ability to maneuver C、sidelights，sternlight and towing light D、All of the above
A、the masthead lights for a towing vessel B、the lights for a vessel restricted in its ability to maneuver C、sidelights，stern light and towing light D、All of the above
A、A. A WHERE clause can be used to restrict both rows and groups. B、B. A WHERE clause can be used to restrict rows only. C、C. A HAVING clause can be used to restrict both rows and groups. D、D. A HAVING clause can be used to restrict groups only. E、E. A WHERE clause CANNOT be used in a query of the query uses a HAVING clause. F、F. A HAVING clause CANNOT be used in subqueries.
A、A. A WHERE clause can be used to restrict both rows and groups. B、B. A WHERE clause can be used to restrict rows only. C、C. A HAVING clause can be used to restrict both rows and groups. D、D. A HAVING clause can be used to restrict groups only. E、E. A WHERE clause CANNOT be used in a query of the query uses a HAVING clause. F、F. A HAVING clause CANNOT be used in subqueries.
A、A vessel engaged in laying，servicing or picking up a navigation mark，submarine cable or pipeline B、A vessel engaged in dredging，surveying or underwater operations C、A vessel engaged in replenishment or transferring persons，provisions or cargo while underway D、A power driven vessel which because of her draught in relation to the available depth and width of navigation water is severely restricted in her ability to deviate from the course she is following
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