自行车测速仪所显示的速度精确吗？

qq56608100

<div class="pct"> <div class="pcb">

<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948587">
&nbsp;&nbsp;刚买了一辆 公路自行车 然后自己又装了个测速仪，但是我不知道准确不&nbsp;&nbsp;请各位大神赐教</td></tr></tbody></table>


</div>
<div id="comment_1948587" class="cm">
</div>

<div id="post_rate_div_1948587"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948600">
好像那个东东是与轮胎直径有关的吧？不准确也没关系，可以上下浮动10千米就没事了</td></tr></tbody></table>


</div>
<div id="comment_1948600" class="cm">
</div>

<div id="post_rate_div_1948600"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948611">
相对精确就可以了，我也安了一个，除了看时间外，其它的功能都没有调出来;P</td></tr></tbody></table>


</div>
<div id="comment_1948611" class="cm">
</div>

<div id="post_rate_div_1948611"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948613">
:lol:lol:lol:lol:lol</td></tr></tbody></table>


</div>
<div id="comment_1948613" class="cm">
</div>

<div id="post_rate_div_1948613"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948615">
我原来也装了一个，后来觉得与骑行的联系、作用都不是好大，豆批呲一爪把它扯球老</td></tr></tbody></table>


</div>
<div id="comment_1948615" class="cm">
</div>

<div id="post_rate_div_1948615"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948627">
;P;P;P:victory::victory:</td></tr></tbody></table>


</div>
<div id="comment_1948627" class="cm">
</div>

<div id="post_rate_div_1948627"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948703">
又不是发射火箭，大概准确就可以了三。</td></tr></tbody></table>


</div>
<div id="comment_1948703" class="cm">
</div>

<div id="post_rate_div_1948703"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948736">
<div class="quote"><blockquote><font size="2"><font color="#999999">自留地 发表于 2013-3-12 20:41</font> <img id="aimg_x34Mh" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt=""></font><br>
好像那个东东是与轮胎直径有关的吧？不准确也没关系，可以上下浮动10千米就没事了</blockquote></div><br>
打算装个GPS 然后用GPS测速后 再看下测速仪上显示的里程 进行对比后看下到底准确不！</td></tr></tbody></table>


</div>
<div id="comment_1948736" class="cm">
</div>

<div id="post_rate_div_1948736"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948845">
我感觉你是钱没有花的地方了。:L:L</td></tr></tbody></table>


</div>
<div id="comment_1948845" class="cm">
</div>

<div id="post_rate_div_1948845"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948866">
没懂</td></tr></tbody></table>


</div>
<div id="comment_1948866" class="cm">
</div>

<div id="post_rate_div_1948866"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948924">
:lol:lol:lol</td></tr></tbody></table>


</div>
<div id="comment_1948924" class="cm">
</div>

<div id="post_rate_div_1948924"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1948952">
你也改骑车了?</td></tr></tbody></table>


</div>
<div id="comment_1948952" class="cm">
</div>

<div id="post_rate_div_1948952"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1949340">
:):):):):):):)</td></tr></tbody></table>


</div>
<div id="comment_1949340" class="cm">
</div>

<div id="post_rate_div_1949340"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_1949440">
:lol:lol:lol:lol:lol</td></tr></tbody></table>


</div>
<div id="comment_1949440" class="cm">
</div>

<div id="post_rate_div_1949440"></div>
</div>
</div>