null curve

英 [nʌl kɜːv]

美 [nʌl kɜːrv]

零曲线

计算机

双语例句

• The null of the microwave absorbing curve moves toward low frequencies with the increase of the outer radius of the antenna.
  天线外半径增大，材料的最大吸收峰向低频方向移动；
• This paper gives asymptotic expansions of the non-null distributions of the likelihood ratio criterion for test-ing sphericity under two sequences of alternative hypotheses that approach the null hypothesis in a growth curve model in the complex case.
  给出复情形下生长曲线模型球性检验似然比统计量与原假设相近的两类备择假设下的非零渐近分布。
• The design idea of an intelligent null indicator which is based on least square regression method, is discussed and the mathematic model of regression curve of an auto-gain controlled amplifier system is derved.
  说明以最小二乘拟合方法作零差指示的设计思想，并导出在自增控放大系统中的拟合曲线数学模型；