Buckaroos have developed many different special skills to work with the land and cattle.为在土地及牛只间工作,牛仔们发展出许多不同的特殊技能.But buckaroos also bail hay, mend fences, and haul trucks out of desert mud holes.除此之外,牛仔还要整理干草 、 修补篱笆及将卡...
The fusant RH - UV - L 4 - F 9 which attained by cell fusion has high fermenting ability and productivity.利用细胞融合技术获得了一株高产赤藓糖醇的融合株RH-UV-L4-F9,其发酵能力强,赤藓糖醇产量高.The fermenting wine has bubbled up and over the top.发酵的葡萄酒已经冒泡，溢...
以发人深省的讲道出名的传道者a preacher famous for her inspiring sermons据说他的讲道词是很能动人心灵的.It is said that his discourses were very soul - moving.他的讲道文从不引经据典.His sermons were delivered without book....
该方法既适于自治系统又适于非自治系统.Above method can be applied to both autonomous system and nonautonomous system.研究具有年龄结构的非自治的SIS模型.In this paper , we study a nonautonomous SIS model with age structure.研究了一类利用线性状态误差反馈控制方法耦合的非自治悬臂振动系统的全...