【简答题】数据独立性分为逻辑独立性与物理独立性。当数据的存储结构改变时,其逻辑结构可以不变,因此,基于逻辑结构的应用程序不必修改,称为 。
【单选题】“黑死病”是用于形容哪一种细菌感染的临床表现
【单选题】Now , in our country free medical treatment covers sickness of mind as well as sickness.
【简答题】weaknesses identify able to be potential must A good teacher _____________________________________in every student.
【简答题】数据独立性分为逻辑独立性与物理独立性 。 当数据的存储结构改变时 , 其逻辑结构可以不变 , 因此 , 基于逻辑结构的应用程序不必修改 , 称为 【 5 】 。
【单选题】日本人の(学生だ) あっても参加できます。
【单选题】What is the maximum number of layers of compression that kaspersky-lab-engine (full AV) can decompress for the HTTP protocol?()
【单选题】Judging from his __ look, I can say Mr. Li is ___ at our arrival at this time.
【单选题】The engine is now available for standby. What will the length of time involved in these preparations depend upon?
A.
The size of fuel oil system
C.
The size of the engine