放坡=1:0.5是什么意思 1:0.5的放坡是什么意思？
\u5761\u5ea61:0.5\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u6bcf\u6316\u6df11m\uff0c\u8fb9\u5761\u9876\u653e\u5927\u534am\uff0c\u4ee5\u4fdd\u8bc1\u5751\u5e95\u5c3a\u5bf8\u8db3\u591f\u3002
\u8ba1\u7b97\u653e\u5761\u65f6\uff0c\u5728\u4ea4\u63a5\u5904\u91cd\u590d\u5de5\u7a0b\u91cf\u4e0d\u4e88\u6263\u9664\uff0c\u539f\u69fd\u3001\u5751\u4f5c\u57fa\u7840\u57ab\u5c42\u65f6\uff0c\u653e\u5761\u81ea\u57ab\u5c42\u4e0a\u8868\u9762\u5f00\u59cb\u8ba1\u7b97\u3002\u653e\u5761\u4e0d\u4ec5\u4ec5\u7528\u4e8e\u571f\u5761\uff0c\u5bf9\u4e8e\u5ca9\u8d28\u8fb9\u5761\uff0c\u4e3a\u4e86\u4fdd\u6301\u5176\u7a33\u5b9a\u6027\uff0c\u5f80\u5f80\u4e5f\u91c7\u7528\u653e\u5761\u7684\u5de5\u7a0b\u5904\u7406\u65b9\u5f0f\u3002
\u6269\u5c55\u8d44\u6599\uff1a
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\u6c9f\u69fd\u8fb9\u5761\u5761\u5ea6\u4ee5\u6316\u6c9f\u69fd\u6216\u57fa\u5751\u7684\u6df1\u5ea6\u201cH\u201d\u4e0e\u8fb9\u5761\u5e95\u5bbd\u201cB\u201d\u4e4b\u6bd4\u8868\u793a\uff0c\u5373\uff1a\u571f\u65b9\u8fb9\u5761\u5761\u5ea6(1\uff1am)=H/B\uff0c\u901a\u5e38\u4ee5\u201c%\u201d\u8868\u793a\u3002
\u57fa\u5751\u5c5e\u4e8e\u4e34\u65f6\u6027\u5de5\u7a0b\uff0c\u5176\u4f5c\u7528\u662f\u63d0\u4f9b\u4e00\u4e2a\u7a7a\u95f4\uff0c\u4f7f\u57fa\u7840\u7684\u780c\u7b51\u4f5c\u4e1a\u5f97\u4ee5\u6309\u7167\u8bbe\u8ba1\u6240\u6307\u5b9a\u7684\u4f4d\u7f6e\u8fdb\u884c\u3002\u57fa\u5751\u5f00\u6316\u5de5\u7a0b\u91cf\u6309\u57fa\u5751\u5bb9\u79ef\u8ba1\u7b97\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6df1\u57fa\u5751\u662f\u6307\u5f00\u6316\u6df1\u5ea6\u5927\u4e8e\u7b49\u4e8e5m\u7684\u57fa\u5751\u3002\u57fa\u5751\u5f00\u6316\u7684\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a
\u4e0d\u653e\u5761\u4e0d\u652f\u6321\u571f\u677f\uff1a\u6b64\u65f6\u7684\u57fa\u5751\u662f\u4e00\u4e2a\u957f\u65b9\u4f53\u6216\u8005\u5706\u67f1\u4f53\u3002
\uff081\uff09\u5f53\u4e3a\u957f\u65b9\u4f53\u65f6\uff1a\u6316\u57fa\u5751\u5de5\u7a0b\u91cf = \uff08a+2c\uff09\uff08b+2c\uff09h
\uff082\uff09\u5f53\u4e3a\u5706\u67f1\u4f53\u65f6\uff1a\u6316\u57fa\u5751\u5de5\u7a0b\u91cf = \u03c0*r*r*h
\u653e\u5761\uff1a\u6b64\u65f6\u7684\u57fa\u5751\u662f\u4e00\u4e2a\u68f1\u53f0\u6216\u8005\u5706\u53f0\u3002
\uff081\uff09\u5f53\u4e3a\u68f1\u53f0\u65f6\uff1a\u6316\u57fa\u5751\u5de5\u7a0b\u91cf = \uff08a+2c+Kh\uff09\uff08b+2c+Kh\uff09h+1/3 K*K*h*h*h
\uff082\uff09\u5f53\u4e3a\u5706\u53f0\u65f6\uff1a\u6316\u57fa\u5751\u5de5\u7a0b\u91cf = 1/3 \u03c0H\uff08r*r+rR+R*R\uff09
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1--\u653e\u5761
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