【多选题】In dynamic programming:
A.
some answers are pre-computed and stored in a table
B.
is a table look-up approach
C.
a cheat sheet is necessary
D.
memorisation of facts is important
【判断题】Dynamic programming avoids redundancy.
【多选题】系统中各杆都为均质杆。已知杆 OA , CD 质量各为 m ,杆 AB 质量为 2 m ,且 OA = AC = CB = CD = L ,杆 OA 以角速度 w 转动,则图示瞬时, OA 杆动量的大小为____________; AB 杆动量的大小为___________; CD 杆动量的大小为______________。
【单选题】下列有关支气管舒张实验的描述 错误的 是
A.
通常可在FEV1/FVC<70%可选择做舒张试验;
D.
若FEV1较用药前增加≥12%则为支气管舒张试验阳性;
E.
若FEV1用药后较用药前增加≥12%,且绝对值增加≥200ml,则为支气管舒张试验阳性;
【判断题】在脑力激荡会议前,没有必要订好论题但是提出的论题一定要表述清楚。 ( )
【单选题】Dynamic Programming can be described as:
A.
A reductionist method because the problem size is reduced in each step until it becomes small enough to be tackled easily
B.
A constructivist method because we work on small problems first and then build up solutions of larger problems
C.
A parallel processing method because we work on multiple parts of the problem simultaneously
D.
None of the options given