很hen多duo客ke戶hu在zai使shi用yong動dong平ping衡heng機ji時shi偶ou爾er會hui碰peng到dao不bu顯xian示shi轉zhuan速su的de情qing況kuang，如ru果guo出chu現xian這zhe種zhong問wen題ti應ying該gai怎zen麼me解jie決jue呢ne
？要yao解jie決jue這zhe種zhong問wen題ti要yao先xian看kan引yin起qi這zhe種zhong問wen題ti的de原yuan因yin是shi什shen麼me。

當dang光guang纖xian沒mei有you對dui準zhun反fan光guang點dian時shi就jiu會hui沒mei有you轉zhuan速su
，對dui於yu這zhe種zhong情qing況kuang就jiu要yao將jiang光guang纖xian對dui準zhun反fan光guang點dian就jiu行xing了le
，如ru果guo還hai不bu行xing就jiu將jiang反fan光guang點dian強qiang化hua一yi下xia或huo者zhe重zhong新xin標biao識shi一yi下xia。

 dierzhongyuanyinkenengshiguangxianhuaile，dangchuxianzhezhongqingkuangshijiqijiuhuiyizhimeiyouzhuansuxianshi，shiyongdiyizhongfangshilaipaizhashimeiyouyongde。dangranhaiyouyizhongyuanyinjiushikenengshidongpinghengjidexitongchuxianlewenti。zhezhongqingkuangyezhinengqingchangjialaizuoshouhoule
，zijiqiemochaikaijiqiluangaoyitong，zheyangzhinengrangwentigengjiafuzahua。