【单选题】已知函数y=f(x)的定义域为R,且对任意的x,y∈R都有f(x+y)=f(x)+f(y),则函数y=f(x)是( )
【简答题】由于光纤传输和材料结构方面的特性,在施工过程中,如果操作不当,光源可能会伤害到人的眼睛。切割留下的光纤纤维碎屑会伤害人的身体,因此在光缆施工过程中要采取有效的安全防范措施。具体需要哪些安全措施?
【单选题】前腭突与上颌突及侧腭突之间未联合或部分联合形成
【判断题】ID3 use information gain as its attribute selection measure. And the attribute with the lowest information gain is chosen as the splitting attribute for note N
【简答题】已知y=f(x)为偶函数,且在[0,+∞)上是减函数,则f(1-x 2 )的增函数区间为______.
【单选题】is the splitting up of the fuel into very small droplets by the fuel injectorforcing fuel at high pressure through small atomizer holes.
【单选题】已知幂函数y=f(x)的图象过点(2, 2 ),则f(x)在定义域内是( )
【单选题】____is the splitting up of the fuel into very small droplets by the fuel injector forcing fuel at high pressure through small atomizer holes.
【单选题】______ is the splitting of one lineage into two.