Three theories were put forward by some researcher. 1 low nutrition and low calcium 2 free radical 3 magnesium theory.

最近有学者指出地氟病的发病机制主要有以下三方面学说：1低营养低钙学说，2自由基学说，3镁学说。

youdao

During the whole course of the experiment, the researcher regularly tested the animals' behavior, diet, 1% of the sugar solution consumption and weight increase.

实验全过程中定期测定动物的行为、饮食、1%蔗糖溶液消耗量、体重增长量等指标变化。

youdao

Rice graduate school of Jilin Agricultural University belongs to agronomy academic, there are 2 researcher, 2 professor, 1 vice-researcher, 1 vice-professor.

吉林农业大学水稻研究所隶属于吉林农业大学农学院，现有研究员2人、教授2人、副教授及副研究员各1人。

youdao

In the first half of 1999 Lotus gained 7.4 million new users to Microsoft's 8.1 million, according to market researcher International Data Corp.

FORBES: Follow through

Lead researcher Professor Polly Bingley said the rate of childhood Type 1 diabetes was increasing all over Europe, particularly in the very young.

BBC: NEWS | Health | Diabetes soars in the under fives

About 264, 000 midsize pickups were sold in the U.S. in 2012, compared with 1.6 million large trucks, according to researcher AutoData Corp.

WSJ: Fuel Prices Spur Rethink of Small Pickups