在线计算反三角函数值，支持asin、acos、atan，结果以弧度表示。
{
"purchaseCount": 0,
"pv": 35,
"globalHotValue": 1,
"updateDt": 1756227044612,
"hotValue": 0.4,
"todayChainPv": 0,
"todayGlobalPv": 1,
"americaHotValueDouble": 0,
"globalHotValueDouble": 1,
"todayAmericaPv": 0,
"americaHotValue": 0,
"selectedValueDouble": 691,
"chinaHotValueDouble": 0,
"selectedValue": 691,
"chinaHotValue": 0,
"hotValueDouble": 0.4
}
