ɱѧϰ(7)

й˾IJ

1ÿ棺ÿ=ĩͨɷ

ʹÿӯʱҪע⣺1ÿ治ӳƱеķգ2ͬƱÿһھϲÿĹ˾Ƚϣ3ÿ࣬һζŶֺ죬Ҫ˾ߡ

Ϊ˿˷ÿָľԣвʣ

1ӯ()=ͨÿмۡͨÿ

2ÿɹ=ܶĩͨɹɷ

3Ʊ=(ͨÿɹ/ͨÿм)100%

4֧=(ÿɹ/ÿɾ)100%

5ϱ=ͨÿ/ͨÿɹ

6ӯ=(-ȫ)/ݡ100%

2ÿɾʲÿɾʲ=ĩɶȨ/ĩͨ

ÿɾʲṩ˹Ʊͼֵ˾ĹƱ۸ھʲijɱɱֽӽֵּ˵˾޴ڼֵǹɶõѡ񡣪

ÿɾʲÿмϵ˵гԹ˾ʲۡӳÿмۺÿɾʲϵıʣΪоʣо()=ÿм/ÿɾʲ

оʿͶʷÿɾʲǹƱֵóɱģÿмЩʲڼֵ֤ȯгϽ׵Ľ