̳

ָ
ͨ
ͷʽ
֧
Ʊ
ۺ
˻Ա
ɫ
ʷ
ҵԱ

һƱ߹һԿƱ𣿾վƷƷлӪƷ淢ƱͼƷûѡǷ񿪷ƱƱͷѽ˵ij⡣̼ƷƱߺʼϵ̼ȷϡ1. λͨӷƱµʱѡͨƱӣȡɺϵͳԶߣûɵ½ҵ˻ҵĶ-ҳ-ƱϢҳء

һƷܡ180˿ɻΪƽ̨Ʒߡߡߡ𽨲ĵȣṩһɫշɾվϱչ˾ͬƳھƽ̨С180˿ɻʶƷʹùУֲƷӰܣ߿ھƽ̨APPָ룬ȫ˿ѸƷӰģۺά޵ķա

ûھ̳PC˼APP˹ƷۡɹμӻȶԻþضľ;ЧڣԾΪ׼ۡɹȡʽ£һƷƷάȣʵڵ50ԪſɲμӹûʱƷƷ࣬Ʒʵֵһ㣬ҽȡС

һȷϼ1վָjd.comƶͻӦó³ơվӷȨȨڡУվṩķȫ䷢ķͲϸִСȷзעʱЭ뱾վЧͬʱΪվʽû2ݹҷɷ仯վӪҪȨԱЭ顭

һӪƷ˷ȡ׼һͷþȫӪƷ˷Ǹݶʵػۺϼģȡ߼˷ѣÿͷʽȡͷҲͬ˷Ѽ߼˷=˷+˷ʽͣ1ʵأKG=Ʒ2أKG=Ʒ(CM)*(CM)*ߣCM/ϵ һַӳܶȵļķʽ͡

... 6 7 8 ĩҳ һҳ