We were taught how to curtsy to the Queen.有人教我们如何向女王行屈膝礼。She swept him a curtsy.她走过时对他行了一个屈膝礼。The ballerina bobbed a curtsy ( to the audience ) before leaving the stage.那个芭蕾舞女演员在下台之前 ( 向观众 ) 行屈膝礼.We were taught how to cu...
The chromosome number and karyotype of Astragalus chinensis X.本文首次报道了民和黄芪的染色体数目及核型.Result: The immunoregulation effect of the astragalus was various.结果: 黄芪的免疫调节作用是多方面的.Conclusion: The astragalus plays role in immunologic...
A kind of spring energy accumulation typed stretchable mechanism used in aerobat was designed.摘要设计了一种飞器用弹簧储能式空间可伸展机构.The results show that the ASB materials are the new PM antifriction materials for aerobat.并且提供批量零件供现场使用...