һ
лʳʳɫС

㹽ཷ Ϲϼ Сײ ţ
ެѿ଻߲ ۽ ʽ ܅R(2) ˲μ
ײݲ Ƭ Բ
ݷ ͨӢ跹 ţ
Ӳ ʽţβ
ţ ײ ʽţС Сܲݲ ܲ
ƹϳƬ ݲ ̲ ըϺ ճ
ĵ÷ ƶѿӲ ţ ݲ ɸ
ζݲ˹ Ҷ ʽ֥ Ԫ
Сƹݲ Ϲ ۲Ӧʱݲ ĵô
м μ
ţ ټʳ Ƭ
Բ ˮݲ ƶ һƷʱ ݲճ
ɳ ϲ˵
ܲƬ ըָ ͷ
ƽ Ϲݲ ţݲ ҩμ Ƥݲ
ӹ ռ Сܲˮݲ ˽ݲ з
ƹݲ ݲ ׽ײݲ ÷Ϻ

ҳ һҳ һҳ ĩҳ ҳ:1/4ҳ 262¼ 90/ÿҳ ת