Repairable level under moderate earthquake action

sea level under the coupling action

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

(Z2)(k)-action

(Z2)k-action

2-torus action

600-daty-action

90% duration of action potential

A cid-base action

a collateral civil action

a complete set of action

a jet action

abandonment of action

abandonment of right of action

abatement of action

abnormal action