【单选题】In the Solow growth model, the assumption of constant returns to scale means that:
A.
all economies have the same amount of capital per worker
B.
the steady-state level of output is constant regardless of the number of workers
C.
the saving rate equals the constant rate of depreciation
D.
the number of workers in an economy does not affect the relationship between output per worker and capital per worker.
【简答题】简述进程为什么不能从就绪状态直接变成阻塞(睡眠)状态?
【简答题】连锁企业门店是交换______和______的场所。
【简答题】流网是由_________和势线所组成的曲线正交网格。
【简答题】液化的判别采用两步判别法,即1和2。第2步判别采用3方法,其目的是判别砂土的密实性,判别为液化的土层据此给出4以评价液化危害程度。
【判断题】常用机油压力表结构有电热式和电磁式两种,汽车上大多采用电磁式油压表。
【单选题】在 OSI 七层结构模型中,执行路径选择的层是