工作原理：

ZHAFADEQIBIJIANSHIZHABAN，ZHABANDEYUNDONGFANGXIANGYULIUTIFANGXIANGXIANGCHUIZHI，ZHAFAZHINENGZUOQUANKAIHEQUANGUAN，BUNENGZUODIAOJIEHEJIELIU。ZHABANYOULIANGGEMIFENGMIAN，CHANGYONGDEMOSHIZHABANFADELIANGGEMIFENGMIANXINGCHENGXIEXING、XIEXINGJIAOSUIFAMENCANSHUERYI，TONGCHANGWEI5°，JIEZHIWENDUBUGAOSHIWEI2°52'。XIESHIZHAFADEZHABANKEYIZUOCHENGYIGEZHENGTI，JIAOZUOGANGXINGZHABAN；YEKEYIZUOCHENGNENGCHANSHENGWEILIANGBIANXINGDEZHABAN，YIGAISHANQIGONGYIXING，MIBUMIFENGMIANJIAODUZAIJIAGONGGUOCHENGZHONGCHANSHENGDEPIANCHA，ZHEIZHONGZHABANJIAOZUODANXINGZHABAN。ZHAFAGUANBISHI，MIFENGMIANKEYIZHIYIKAOJIEZHIYALILAIMIFENG，JIYIKAOJIEZHIYALIJIANGZHABANDEMIFENGMIANYAXIANGLINGYICEDEFAZUOLAIBAOZHENGMIFENGMIANDEMIFENG，ZHEIJIUSHIZIMIFENG。DABUFENZHAFASHICAIYONGQIANGZHIMIFENGDE，JIFAMENGUANBISHI，YAOYIKAOWAILIQIANGXINGJIANGZHABANYAXIANGFAZUO，YIBAOZHENGMIFENGMIANDEMIFENGXING。ZHAFADEZHABANSUIFAGANYIQIZUOZHIXIANYUNDONGDE，JIAOSHENGJIANGGANZHAFA，YIJIAOMINGGANZHAFA。TONGCHANGZAISHENGJIANGGANSHANGYOUTIXINGLUOWEN，TONGGUOFAMENDINGDUANDELUOMUYIJIFATISHANGDEDAOCAO，JIANGXUANZHUANYUNDONGBIANWEIZHIXIANYUNDONG，YEJIUSHIJIANGCAOZUOZHUANJUBIANWEICAOZUOTUILI。

KAIQIFAMENSHI，DANGZHABANTISHENGGAODUDENGYUFAMENTONGJINGDE1：1BEISHI，LIUTIDETONGDAOWANQUANCHANGTONG，DANZAIYUNXINGSHI，CIWEIZHISHIWUFAJIANSHIDE。SHIJISHIYONGSHI，SHIYIFAGANDEDINGDIANZUOWEIBIAOZHI，JIKAIBUDONGDEWEIZHI，ZUOWEITADEQUANKAIWEIZHI。WEIKAOLVWENDUBIANHUACHUXIANSUOSIXIANXIANG，TONGCHANGZAIKAIDAODINGDIANWEIZHISHANG，ZAIDAOHUI1/2－1QUAN，ZUOWEIQUANKAIFAMENDEWEIZHI。YINCI，FAMENDEQUANKAIWEIZHI，ANZHABANDEWEIZHIJIXINGCHENGLAIQUEDING。YOUDEZHAFA，FAGANLUOMUSHEZAIZHABANSHANG，SHOULUNZHUANDONGDAIDONGFAGANZHUANDONG，ERSHIZHABANTISHENG，ZHEIZHONGFAMENJIAOZUOXUANZHUANGANZHAFA，HUOJIAOANGANZHAFA。

优点：

1、LIUDONGZULIXIAO。FATINEIBUJIEZHITONGDAOSHIZHITONGDE，JIEZHICHENGZHIXIANLIUDONG，LIUDONGZULIXIAO。

2、QIBISHIJIAOSHENGLI。SHIYUJIEZHIFAXIANGBIERYAN，YINWEIWULUNSHIKAIHUOBI，ZHABANYUNDONGFANGXIANGJUNYUJIEZHILIUDONGFANGXIANGXIANGCHUIZHI。

3、GAODUDA，QIBISHIJIANZHANG。ZHABANDEQIBIXINGCHENGJIAODA，SHENGJIANGSHITONGGUOLUOGANJINXINGDE。

4、SHUICHUIXIANXIANGBUYICHANSHENG。YUANYINSHIGUANBISHIJIANZHANG。

5、JIEZHIKEXIANGLIANGCERENYIFANGXIANGLIUDONG，YIYUANZHUANG。ZHAFATONGDAOLIANGCESHIDUICHENGDE。

6、JIEGOUZHANGDU(XIQIAOTILIANGLIANJIEDUANMIANZHIJIANDEJULI)JIAOXIAO。

7、XINGTIJIANDAN，JIEGOUZHANGDUDUAN，ZHIZAOGONGYIXINGHAO，SHIYONGFANWEIGUANG。

8、JIEGOUJINCOU，FAMENGANGXINGHAO，TONGDAOLIUCHANG，LIUZUSHUXIAO，MIFENGMIANCAIYONGBUXIUGANGHEYINGZHIHEJIN，SHIYONGSHOUMINGZHANG，CAIYONGPTFETIANLIAO，MIFENGKEKAO，CAOZUOQINGBIANLINGHUO。

缺点：

MIFENGMIANZHIJIANYIYINQICHONGSHIHECASHANG，WEIXIUBIJIAOKUNNAN。WAIXINGCHICUNJIAODA，KAIQIXUYAOYIDINGDEKONGJIAN，KAIBISHIJIANZHANG。JIEGOUJIAOFUZA。