Sign In
ä½łä¸įçŁ¥éģĵ
åIJĪåIJĮ约å®ļ
عاÙĦ
Observation
Observ
ä¸įå¾Ĺ以任ä½ķ
æľīä¸ĭåĪĹ
çļĦè§Ĥå¯Ł
สัà¸ĩà¹Ģà¸ģà¸ķ
计ç®Ĺ
计ç®Ĺåĩº
æµĭç®Ĺ
calculations
calculation
计ç®ĹçļĦ
ä¼°ç®Ĺ
calculates
calculated
calculating