增加：地形标定管理

liusuyi

2024-06-22 59dd637267a99eadd2c5cf0b8d59e8dc4fbb6b26

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'use strict';
 
var Day = require('./Day');
var DayFromYear = require('./DayFromYear');
var YearFromTime = require('./YearFromTime');
 
// https://262.ecma-international.org/5.1/#sec-15.9.1.4
 
module.exports = function DayWithinYear(t) {
    return Day(t) - DayFromYear(YearFromTime(t));
};