validity

• The evolution of the contract validity system in china
  我国合同效力制度的演变
• The legal validity of mortgage of commercial instruments
  论票据质押的法律效力
• Criterion related validity of mental rotation test
  心理旋转测验的效标关联效度
• Fees and validity periods of food business licences
  饮食业牌照的收费及有效期
• Experimental results show the validity of algorithms
  实验证明了以上算法的有效性。
• On the validity of cohabitation liability in marriage
  论配偶间同居义务的效力
• Please extend the validity of the l / c to aug . 20
  请将信用证的有效期延长至8月20日。
• The factor analysis of the epq structural validity
  艾森克个性问卷理论结构的因素分析
• Simulation results prove the validity of these methods
  实验表明本文方法的有效性。