Level Crossing
平面交叉
能阶交叉
平交道口
水平穿越
平交口
平交道
道口
火车栅
level crossing change into grade separation
sediment accumulation rate rate
coupling mechanism between upper level and low level jet
fiscal system at county level and township level
interaction between upper level and lower level
municipal level and county level
positive crossing and negative crossing
A Savings Deposit Rate of Interest Rate of Taxation Consumption
afforestation survival rate and retention rate
build rate =building rate
Estrous rate and conception rate
proliferation rate multiplication rate
rate expansibility rate
Standardization of rate and deposition of rate difference
The recurrence rate and the cure rate