日本国产一级毛卡片_真实处破女刚成年AV网站_人妻大白屁股精品12p_免费看黄国产在线_色五月激情亚洲综合考虑_久久久精品亚洲蜜桃AV_都市激情 校园春色_在线观看一区二区三区日本

??°?‘????????”¨?°′??-??°???????°′??????? ?????ˇ?????μ??€????????’?é€???ˇ????”μ?-?????¤????????°′??°?-|??-??”?”¨??€???????€???€é???|??????€?§???…????€???°??????????±???????????-??·????????????¨?μ·?°′??-????¨??? ?’-??????é?????????????°??? (sonar) ??€???????????€??ˇ??–????¤§??????é—′??§?”??????????????”±??°é?? (sound)?€??????? (navigation) ?’??μ??·? (ranging) 3?????±?–???????????-—?¤′?????????????????°é?????????μ??·???????????€????????”¨??°?????¨?°′???????? ?’-?‰??€§???é€?????”μ??°???????’???ˇ????¤?????????????????°′??????? ?????ˇ?????μ??€????????’?é€???ˇ?????¤?–-?μ·?′???-?‰???“????-???¨?€???????????±???????????—?????”¨????°′?????ˇ???????? ??“?€?

?”μ?????????????°”??-?? ?’-??ˇ?????€é???|?????????“???????|????é€???ˇ?€?????’-?€??”μ?§??€?é?·????-‰é?????????”¨?”μ?????????????????¨?°′??????????? ?????ˇ??‰?”¨?-|?????°?€????????? ????μ·?°′?????€?§?????”μ????′¨?????‘?μ·?′????é—′????°?????”μ?????????????μ·?°′????′¨???????‰€?±??”??????????????¤§é?¨??????é??????????°?????ˇ?μ???????????€—??‰???????? ?€??”μ????????¨?μ·?°′??-????? ?’-??—??°???é??é??????€????????…‰??????????′¨????±??????′é??é?‘???????”μ?????????????μ·?°′????”?????¤±??????é????′??????é??????? ?-¤???????????¨?μ·?°′??-é??????????‰?????°?? é€’??ˇ????€????é?????????????¨???????‰€?????????????§?????°???ˇ??·??-????????°?????¨?μ·?°′??-????? ?’-?€§????????€????€??-??? ????|??-¤?????????????”¨??°?????¨?°′????????????????????“??°?? ?’-????…???¨??????????′¨??-?? ?’-????€§?′¨?????????? ”??????????¤??§??°′????μ?é???????¨?€???|????·??…·?’??-|??¨??…?¤???????????§?a€???°???a€?????¤??€???°?????€????????…??¨?°′?????????é€???ˇ?€????????’???????????????-?????‰é?????é???|??????°???????€???”??¨?’?????—?????·??????????????±???¤????€???€??‘?’?????”¨?μ·?′????é???|??‰???μ?€?

??°?????€???

??°?????€?????‰?·?????–??????????????????¨??°?‘??’??????¨??°?‘???¤?±?:

01

?????¨??°????·??????????

??°???????????€???????”±??‘?°?????€?????????¨(?°′?????¨)?€?????”?????€?????¤???¨?’???§?????¨?-‰?? ???é?¨??????????????‘?°?????”¨?????§?”?é?€?|?????”μ??ˇ??·???????????€??±????????¨?°??”μ??ˇ??·???????????°??ˇ??·??‘?°′??-??‘?°?????°′??°??ˇ??·???é????°?°′??????? ??????????????°???????????????°????????????????????”?????°????????¨(?°′?????¨)???????????¨(?°′?????¨)????”???°???????°??…???????????”μ??ˇ??·????”μ??ˇ??·???????”?????”??¤§?’?????§??¤???????????°??¤??????“??????é|??????§?????¨??–????¤????????????€???? ???????????¤?????????ˇ???????μ???????? ???????????????¤?–-??????? ?????€§?′¨?-‰???????€?????????°??????????‘??€???‘????—????????μ·?′?????μ??¤?????”¨?????¨??°???????ˇ???????????????¨??°???????|??”±??°??????é?μ?€??”???‘????????¨?€?????”?????€?????¤???¨?€???‘?°???¨?€?????—???-???????????§???????-?????¤??-‰??????é?¨??????????€?

02

?????¨??°????·??????????

?????¨??°?‘???€???????????°?‘??????¨????”???°????-‰?°′??-???? ???§?”????????°??????°?’??°′??°????¤???‘?°??????ˇ??·???????μ???????? ?????–?????’??·??|??€?????”±??€???????°′?????¨??”????€???????????”???????? ???‘???????????°?????¤?–-??????? ???????????’????????‰??€§????????????? ????é?¨???????”¨????μ???????? ???°???????°′?????¨?€??”±????????¨??°?????€?????¨?μ·?°′??-??????????¨??? ?’-????‰????é€??”¨???????????‘??°??′é??????·±?€?????|?????μ??????°?′???¨???????‰??€?

?°′??°????????¨?????°????????????é???|?é?¨??????? ?????·????????€????????????????????????¤?±?:

??€?±??§°?????‘?°?????????¨???????°??”μ?????????????????°????????????????????°???;

??€?±??§°???????”?????????¨???????°???°?????????????????°???????????????????”μ????€?

???é?…??”?”¨??-????°′??°????????¨?…???‰??‘?°??’?????”???¤?§????????????°?????°?????€???????°′??°??‘?°?????????¨????|??±????:???é?‘?€??¤§???????€?é???????????????????¨?·±?μ·??-?·?????-‰?‰??€§?€?? ?????°′??°?-|???? ”??????????????‘??°?”¨???é?‘??°????? é€’??ˇ??·?????????????·??|????? ???????????’???€?μ???‰??€????????????????€§????? ??????é?‘??°?????¨?μ·?°′??-?? ?’-?—????????μ·?°′????”??????°?€???”é??é?‘??°????|?????????…?????”é??é?‘??°????? ?’-??′???????·??|??????????????¤§????μ??·??|?é???????‰????€?

??°???????? ?’-??±?“??? ?-?

??±?“???°?‘??·?????€§???????? ?′ é?¤??°?‘????????????€????????μ?¤–????¤–?????ˇ????????±?“???????é???€???”?????′???????? ?′ ??‰?? ?’-?ˇ°????€??¤??·?????????”?€??··?“?????‰°?€??μ·?′??????°?€?????????°?€????? ?????°??‰??????–????°??????°?????|?-‰??????????¤§?¤?????μ·?′????????? ?′ ??‰?…??€?????|??????°?????¨?? ?’-途??-??—?μ·?°′????′¨????????€???????’??μ·é???€??μ·????????±?“??’??????|????????§?”?????°??€?????°??€?????°??’??????‰????????§?”???°??????????€???ˇ??·?μ·????’??????????造????? ?’-途???????”??????????????????°??°é?′?????????é????±?“???°?‘????????”¨?·??|??’??μ?é???????|?€?

??°????ˇ°????????°?????¨?°′??“??μ??‘????? ?°′????-?????”??€????????‰?????’?????°??€?造?????????é??????¤±?€?????”?????μ·?°′??μ??‘?–???‘????????€????°′????-??|?????????“????€??μ·?°′??-????°???–é?????????”??????€????|??? ?′ ?€?????”????????…???–???????μ·?°′????‰??????–?-|?‰??€§?’???°????????‘?°?é?‘????€???€????€??¨€?????‘?°?é?‘????¤§???100kHZ?…?????”??????°é???????|???????? ?€?????? ?€?????°?????¤±????μ·?°′??μ??‘??????????°??‰??′¨??‰?…?;????°?????|??”±?μ·?′??”??‰?造??????????μ·?°′?·±?¤?????μ?????”??‰????é????¨?·±?±?????°??±? (DSL)????·±?±?????°??±?????????|????¤?é????‰?????–?€???“??°?????–??°?????????????????????é???—??????°???????–???‘?°±????? ??°é€?????????–?€?????°????????€???¤??????é???????°é€?????????-?€?

??°?????°?‘???…éˇ?? ?????μ·?????°é€?--?·±??|?????–??????????? ?’-??ˇ?????????é€???“选??????é?μ?·?????·±??|?’??????°?§’???????”¨??°?????????????? ?’-途???(??′?????°?€??μ·???????°???°?€???????????€??·±?μ·??°é?“)????…?????°′??°?? ?’-??ˇ??????????????±?“???????é????°?‘?????μ??·??|?