求翻译：　　本合同自双方的法定代表人或其授权代理人在本合同上签字并加盖公章之日起试用，最终生效日期始于政府批准证书的日期。各方应在合同正本上加盖骑缝章。是什么意思？

This contract is the legal representative or its authorized agent in this contract signature and affix the official seal of the date of trial, the final effective date begins with the date of Government approval certificate. The parties should be stamped on the original contract Jifeng.

This contract between the parties since the legal representative or his authorised agent in this contract signature and seal on the final date of entry into force will be put on trial, the government began with the date of the approval certificate. The parties in the contract should be the seamless

This contract or it is authorized the agent from the bilateral legal representative to sign in this contract and to cap date of test the official seal, finally becomes effective the date to begin in the government to authorize the certificate the date.All quarters should cap the tally impression in

Since the legal representatives of both parties to this contract, or its authorized agents in the date of contract signature and seal on trial and eventually started in Government certificate of approval of the commencement date. Parties should be stamped with those on the original contract.