西洋鲑鱼每年都要逆流而上,游回产地产卵,研究鲑鱼的科学家发现,鲑鱼的游速v(单位:
)可以表示为
,其中M表示鱼的耗氧的单位数.当一条大西洋鲑鱼的耗氧量的单位数是其静止时耗氧量的单位数的27倍时,它的游速是__________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10bc866afabfa5d00b5ffe9120c9be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/710444fcd9ab874d7fcfa92b688eb6ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10bc866afabfa5d00b5ffe9120c9be0.png)
更新时间:2024-01-16 23:03:32
|
相似题推荐
填空题-单空题
|
较易
(0.85)
【推荐1】已知函数
是定义域为
的奇函数,当x<0时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509fa323a224bfaa78d775417d56591b.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eaeb2ab68a49074d623ffca072fed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509fa323a224bfaa78d775417d56591b.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
真题
解题方法
【推荐2】设
是定义在R上的奇函数.若当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9e0dcfe20e16312dd0f390fa78529c.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c47b8d36ef2082681272409c65bf0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9e0dcfe20e16312dd0f390fa78529c.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐1】测量地震级别的里氏是地震强度(即地震释放的能量)的常用对数值.显然级别越高,地震的强度也越高,如日本1923年地震是
级,旧金山1906年地震是
级,问日本1923年地震强度是
级的_________ 倍.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b0ee7e5b17351e87d684c1974741f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d9f4a25aac67131d95ae8ef8b0fc46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d9f4a25aac67131d95ae8ef8b0fc46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce4ab264b5ea9fb4813c7bd91727fca.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】在有声世界,声强级是表示声强度相对大小,其值为
(单位:
(分贝)),定义为
.其中,
为声场中某点的声强度,其单位为
(瓦/平方米),
为基准值.声强级
的声强度
是声强级
的声强度
的______ 倍.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca586d4c35ce52dec4b545cf13ee0721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2a088173b1195992dd3fc9604f5b8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db72d10094c3d5cf2cb4eaa4809a1f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7504cdcb8b9b1e953c059699b730d39c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d80cd188c2b87c5e167842708098e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8715ab439b7070750285a5bac5b2d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4896768c02ff717cfddf4cacb512fd6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8a8fa0c0955d137c519412f014a2974.png)
您最近一年使用:0次