查询词典 abacus

The user of an abacus is called an abacist; he or she slides the beads of the abacus by hand.

算盘的用户是一个称为abacist，他或她幻灯片手工珠的算盘。

What if he did not know how he might be interested in it abacus?

如果他什么也不知道，他怎么可能对珠心算有兴趣呢？

We might say, the day of the abacus is gone.

我们可以说，算盘的时代已经过去了。

Do you know how to work an abacus?

你会打算盘吗？

In English we call it an abacus.

在英语里我们称它为"算盘"。

Yes, I bought the hat back from China and the abacus I bought in China.

对，算盘就是我在中国买的，这顶帽子也来自中国的。

What would you use an abacus for?

你可以用算盘做什么？

An abacus, also called a counting frame, is a calculating tool used primarily by Asians for performing arithmetic processes.

算盘，也称为an abacus，是一个计算工具，主要由亚洲人用于执行运算过程。

There are a number of novation and alteration in the history of the abacus. For example, the one-four type abacus is invented on the base of the two-five type abacus.

其算盘历史发生了无数次的更新改造，从上二下五到上一下四珠的改良，都是从有利于快速计算，减少运算次数开始的。

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

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。