performance period meaning in English

实现周期
运行时间
运行周期
执行周期

The composition of the basic includes following parts : i ) one party has substantial facts to prove the other party will not perform the contract ; ii ) the violation can be clearly seen , iii ) the other party ' s conduct is the basic violation of the contract ; iv ) the time of violation is between the establishment of the contract and the beginning of the performance period
前者也由四大要件构成： 1 、有一方当事人不履行合同的客观事实； 2 、上述事实必须达到“明显看出的程度” ； 3 、不履行必须构成根本违反合同； 4 、违约时间在合同成立后，合同履行期限界至前。
The composition of the former is usually made up of 4parts : i ) the contract is established ; ii ) the time of breach is between the establishment of the contract and the beginning of performance period of the contract ; iii ) express and positive refusal of performance ; iv ) the obligations refused to perform are the main of the contract
明示预期违约的构成有四大要件：第一，合同有效；第二，违约时间是在合同成立后，履行期限届至前；第三，一方当事人明确、肯定地表示将不履行合同义务；第四，不履行的义务至少是合同主要义务。