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

(Respiratory) failure

Ⅱ - respiratory failure

Ⅱ respiration failure

Ⅱ respiratory failure

ⅡRespiratory failure

3-D progressive failure

a long time failure of power

Abnormal Failure

Abrasion Failure

abrupt failure

abuse failure

AC power failure

Accelerated failure time model

acceptable failure rate

acceptance failure rat

Access Failure