Import restriction is effected through such measures as imposition of tariffs, fixing of quota, allowing imports only against licenses.
通过征收关税，设置配额，仅准凭许可证进口等措施实行进口限制。
2
Import restriction. Import restriction is effected through such measures as imposition of tariffs, fixing of quota, allowing imports only against licenses.
进口限制。通过征收关税，设置配额，仅准凭许可证进口等措施实行进口限制。
3
A quota is a quantitative restriction that is expressed in terms of either physical quantity or value.