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Ϊ̤һֱ꣡
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Ӧֱꡭ
ֱ̤ʲôģ
ˣǼѰҡ
ӦԨԪ˽ս֡
ʣ3467ö
ӦԨ3ȷųǡ
ųںıΪˮǡ
ų̫УûڳĺУڳֵʱ伫̡
Ųʱ棡
7ȷǡ
ǣںֳΪǣ䡰ɫ״岼dzȻͬ
γƺ⡣
Իغ
ʶƹ
ˮ
һһν֮ɴγˮ̬ƽ̬֮
ľͨսˮƽ⣡
ǽһСҪ
ˮƽУ
ӦԨֵõһ
ۣ
37С
ٴһƾ⣬ӦԨ
ǣ
ӦԨٴοһдơ
ֱ=3ų 7ǣtan
öɳӦԨõдƣ
=2ӫλ 8̫λcos
=1dzλ 5λsin
˿̣ӦԨȷɳµɳijռڣҡڽɫɳĮ֮У
Ϊ̤һֱ꣡
ݺύȷһλʱվλλãѾɳغϣȴȷɳ桭桭
ؿռڣԪʿᣬ˵λ֮ˡ
ȷƽһ㣬ѹҵɳ
xyz㣬ܾȷռάȣѰҵɳ
£
ӦԨͲһǶȦȣȷɳλã
лʣ½46
ȻöȷȽǶȡ
ܽˣ
ҹ䣬ɳĮϢ
ӦԨֲóڴ
ӦԨԪһۣʾ⡣
Ԫͷ
ӦԨ˻ʥһۣ㣬ҽ
ʥһţԾסֵ̿Ҫ
ӦԨüͷһ壬
ʥڴ
ӦԨ¶أ
ָΪźţûΣɣ̴ն·
ʥһ㶣ɵҲ֪˼˼DZˣ
ţ
ÿֻţ
ٶȿɣ
ãȫϢʱӦܴ
ЩˮʥѪ㣡Ҫ0.1Ϣڴն
ӦԨһ֣ǰˮ̹žѪ
ʥҧãǰȼձԴ֮
ʥ֪ܿٴȫý⣡
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ʥ˳ȥ
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