Continual four years studies show that in jujube garden of arid hillside field in loess hills area, the pruning method of pulling the 3-year-old branch as a unit is a major one of controlling plant growth and development, regulating the rational distribution of nutrition and moisture, and balancing the growth and fruiting.
连续 4a研究表明 ,黄土区旱坡地枣园 ,以 3年生枝为单位拉枝修剪是控制树体生长发育 ,调节养分、水分的合理分配 ,平衡生长与结果的主要修剪方法。
Results The period of postoperative follow up studies varied from 0.5 to 3 years with an ave rage of 2.3 years.
结果 随访 0 .5～ 3年 ,平均 2 .3年。
3"Scrap Form" shall be kept in operation department for 3 years.
3“生产报废单”由生产部保存3年。
They had gone steady for three years before they got married.
他们拍拖了3年才结婚。
He receive a three year jail sentence.
他被判3年的徒刑。
Dublin, 17 March 1943
1943年3月17日于都柏林
He went a-begging from door to door for three years.
他沿街行乞了3年。
John has been out of employment for three years.
约翰失业己经3年了。
Washington, DC, 4 March 1933
1933年3月4日于华盛顿
3-Year Limited Warranty* on Tank
内胆3年有限质量保证
He was doomed to3years in prison.
他被判了3年的刑。
The disease recurs in epidemic cycles at two-to three-year intervals.
本病流行周期为2-3年。
Machine of the Year January 3, 1983
《时代》年度风云机器1983年1月3日出版
stage 1 is the building of the foundation,
第一阶段，建筑地基（1959年3月-1963年）；
Despite a drought spell for continuous years, no section of the Yellow River has dried up over the past three years.
虽然连年大旱，黄河连续3年没有断流。
Convention on International Trade in Endangered Species of Wild Fauna and Flora Washington,1973
濒危野生动植物种国际贸易公约(1973年3月3日)
Three years relevant experience.
要求具有3 年相关经验。
He served in the navy for three years.
他在海军服役3 年。
In March, 1913, the war was resumed.
1913 年3 月，战事重又开始。