| 1. | The main outline was completed by 1935 .
基本大纲完成于1935年前后。 |
| 2. | Round 1900 his repute was still untarnished .
在1900年前后他的名声仍很响亮。 |
| 3. | In britain it was certainly well established by about 1940 .
在英国，它肯定在1940年前后已牢固地确立下来。 |
| 4. | It seems to have been invented by the american astronomer david rittenhouse in about 1785 .
它似乎是美国天文学家DRittenhouse在1785年前后发明的。 |
| 5. | Around 1810 fouriers, gauss, and bolzano began the exact handling of infinite series .
在1810年前后，Fonrier，Grauss和Bolzano开始确切地处理无穷函数。 |
| 6. | Italian emigration to the united states began slowly in 1880's and reached important proportions about 1900 .
到美国来的意大利移民，在十九世纪八十年代开始时速度较慢，1900年前后成为重要部分。 |
| 7. | About the year 1734 there arrived among us a young presbyterian preacher, named hemphill, who delivered with a good voice .
1934年前后，我们这儿来了一个长老会的年青传教士，他叫亨普希尔。他布道时声音悦耳动听。 |
| 8. | By about 1800 the mathematicians began to be concerned about the looseness in the concepts and proofs of the vast branches of analysis .
大约在1800年前后，数学家们开始关心分析的庞大分支在概念和证明中的不严密性。 |
| 9. | Our house was built sometime around 1905
我们的房子建造于一九五年前后。 |
| 10. | 165 the plant is scheduled to be completed around 1985
工厂计划于一九八五年前后建成。 |
