在胁迫之下签的合约无效。

A contract signed under duress is invalid.

youdao

由于已经过了期限，这份合约是无效的。

As the date of expiry is over, the contract is invalid.

youdao

现有的装配配合约束获取方法容易产生约束的遗漏和约束无效性；

The existing acquisition methods could induce the mating constraints being omitted or invalid.

youdao

现有的装配配合约束获取方法容易产生约束的遗漏和约束无效性；

The existing acquisition methods could induce the mating constraints being omitted or invalid.

youdao