It's a pretty newinvention, only around since 1947 when a Michigan woman asked Edward Lowe if he knew ofan alternative to the sand or ash that she had been using.
猫砂是一个很棒的发明，其起源可以追溯到1947年，当时一位密歇根州妇女向爱德华·劳询问是否知道某种沙子或者灰可以用来清洁猫的粪便。
In America, a regulator would presumablyneed to determine the period of commercial value: perhaps two hours for news ofan earthquake, 30 minutes for sports results.
在美国，监管人可能需要确定商业价值的时长是多少：也许地震相关新闻有两个小时，体育比赛的结果有30分钟。
Combined with the specific example of Z50E loader, the dissertation has an analysis ofan estimate of recycle-ability and detailed revising suggestions for recycling products.
结合Z50E装载机的具体实例，进行了产品可回收性的评价分析及相应的设计修改建议。
Right now we are experiencing an even moredramatic collapse of the greenback—this time to little more than 1/1, 400th ofan ounce of gold—and the issue has returned with a vengeance.
而当下，我们手中的绿钞纸币正在经历又一次更加戏剧性的崩溃过程——这一次金价飙升到了1400美元/盎司——关于金本位的问题也再次强势回归。
Scope:This Eurpean Standard specifies a method for determining the resistance ofan installed resilient floor covering to the mechanical stress resulting fromthe simulated movement of a furniture leg.
本欧洲标准指定一个方法来确定安装家具腿模拟运动对弹性地板的阻力产生的耐磨效应的测定。
Scope:This Eurpean Standard specifies a method for determining the resistance ofan installed resilient floor covering to the mechanical stress resulting fromthe simulated movement of a furniture leg.
本欧洲标准指定一个方法来确定安装家具腿模拟运动对弹性地板的阻力产生的耐磨效应的测定。
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