重要阶段

In Yunnan, nationalities of Slash-and-burn cultivation stayed in stage of primitive society for a long time. The main reason is that they didn't form the land private ownership.

云南的刀耕火种民族之所以长期处于原始社会阶段，一个重要原因就是其迟迟没有形成土地私有制，而这又与生态环境的影响关系密切。

Make major altercations to the product when the development is near completion: Concerned about safety and marketability, the team decides to reduce the saccharin level of loperamide.

在研发阶段接近尾声时作重要的变动：考虑到安全和市场可推广性，研发小组决定减少loperamide中的糖精含量。

I have been consistently studying masters' pieces that are art historically important. I embraced different masters, ranging from Jan Van Eyck to Pablo Picasso, in varied periods of my life.

我一直抱着学习的态度研究美术史中大师的重要作品，从Jan Van Eyck到Pablo Picasso，在不同的年龄阶段喜欢的艺术家不同。

Bacterial enolpyruvyl transferase is one of the key enzymes acting in the initial stage of peptidoglycan synthesis of bacterial cell walls.

肽聚糖是细菌细胞壁的重要成分，烯醇式丙酮酸转移酶是调节肽聚糖合成初始阶段的关键酶。

Information analysis can reveal the life history of cephalopods and the environmental condition and its varieties. This has important theoretical significance, and will be broadly applied.

因此，通过耳石信息分析可以揭示头足类的生活史历程，掌握其生活史各阶段的生态环境特征，这不仅具有重要的理论意义，而且具有较为广阔的应用前景。

Since the past three decades of China s reform and opening up the,the higher public security education has experienced three important development stages,namely: full recovery satge,prosperiously-developed stge and initial stage.

我国改革开放30年来，公安高等教育历经了三个重要发展阶段，即：全面恢复期、繁荣发展期、改革起步期。

In is big, middle, elementary school each stage, the standing broad jump always is the sports test must test the content, is reflects the student physical quality the important target.

谁能帮我把下面这段文字翻译成英文？谢谢摘要：在大、中、小学各个阶段，立定跳远一直是体育测试的必考内容，是反映学生身体素质的重要指标。

In china,the studies and exploitations in APF are at its beginning stage,and large capacity mature products have not been coming out yet,so the studies in APF have important significance.

在我国有源电力滤波器的研究和开发正处于起始阶段，至今还没有大容量的有源电力滤波器的成熟产品问世，因此进行有源电力滤波器的研究和开发工作有着非常重要的意义。

The newfashioned education of the Hui is a important historical stage from the mosque education to modern education in the history of education of the Hui.

新式回族教育是回族教育发展史上从经堂教育向现代教育过渡的一个重要历史阶段。

Compared with the other crops, wheat was hard to establish higher efficient regeneration system and the genetic transformation of wheat was the stage of establishment and improvement, which were main factors that hinder the development of gene engineering of wheat.

但与同类作物相比，小麦不易建立高效成株体系，且小麦遗传转化仍处于建立和优化完善体系的阶段，是妨碍小麦基因工程顺利开展的重要原因。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。