本API产品提供光年计算功能，帮助用户计算光在特定时间内的距离。支持光速计算、时间计算，并通过光年公式计算距离，为天文学研究提供便利。
{
"purchaseCount": 0,
"pv": 3,
"globalHotValue": 0,
"updateDt": "2025-09-22 00:58:26",
"hotValue": 0,
"weekTrailSuccessRate": null,
"weekTrailSuccessSum": null,
"todayChainPv": 0,
"weekTrailSum": null,
"todayGlobalPv": 0,
"americaHotValueDouble": 0,
"globalHotValueDouble": 0,
"todayAmericaPv": 0,
"todayTrailSum": null,
"americaHotValue": 0,
"selectedValueDouble": 691,
"weekTrailSuccessNumMap": null,
"chinaHotValueDouble": 0,
"selectedValue": 691,
"hotValueDouble": 0,
"chinaHotValue": 0,
"weekTrailNumMap": null
}
