求翻译：本合同签订之日起的当天，乙方向甲方付款为总额的二分之一，即45万美元（肆拾伍万美元），乙方尚欠甲方专利款项，按本合同的第5条进行。是什么意思？

The date of signing this contract the same day, Party B shall pay one-half of the total, or 45 million (Si Shi Wu million), Party B patent payments owed, according to Article 5 of this contract be.

This from the date of the contract, the day the Party B direction for payment of the total of 450,000 2 $10,000 US dollars) (Restaurant picked up NG, party B was still owed money by Party A patent, as article 5 of this Contract.

正在翻译，请等待...

This day from the date of the contract, party b to party a total payment of one-second, or $ 450,000 (restaurant picker NG USD), party b owes party a patent payments, according to the 5th section of this contract.

On the same day from day when this contract is signed, second direction Party A pays the bill to 1 2 of the total value, namely 450,000 dollars (450,000 dollars), Party B still owes fund of Party A's patent, goes on according to article 5 of this contract.