Merge branch 'master' of ssh://117.78.1.188:29418/DDE-WEB

zhanmingkan

2022-05-17 e8d9f2bb15b9e2a0aedafa2e7d56e741b2296f8a

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module.exports = function(a, e, sinphi) {
  var temp = e * sinphi;
  return a / Math.sqrt(1 - temp * temp);
};