有造诣的

GuoShouJing his ancestors in the Yuan Dynasty in China are well-known astronomer, mathematician, hydraulic engineering experts, he advanced mathematics, spherical geometry, triangulation has become highly literate, living in the home environment such郭伯of jade, from the favorite Math, especially for simpler and quicker abacus, but also aroused the interest of his research, he studies at abacus are enormous achievements, the Qing Dynasty famous mathematician Mei-ting in the "ancient Yan count slightly," Chu said plate of law, began in the early Ming郭伯jade, jade郭伯abacus at laws on the tremendous contribution to the world people have been referred to as "beads set of laws," the creators

他的先辈郭守敬是我国元代著名的天文学家、数学家、水利工程学家，他对高等数学、球面几何、三角都有很高的造诣，生活在这种家庭环境中的郭伯玉，从小就喜爱数学，尤其对简便、快捷的珠算，更引起他研究的兴趣，他在珠算研究上的成就是巨大的，清代著名数学家梅文鼎在《古算衍略》中说珠盘之法，始于明初郭伯玉，郭伯玉在珠算之法上的巨大贡献，被世人人称为"珠盘之法"的创制者

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。