Effect of partial root-zone irrigation on the photosynthesis, leaf area, dry mass accumulation and water use of sweet corn under two fertilization levels was studied in this paper.

研究了两种施肥水平条件下根区局部灌溉对甜玉米叶片光合、叶面积、干物质积累和水分利用的影响。

youdao

The mass accumulation of information and communication channels of information for the Ubiquitous makes people concerned is no longer scarce, and becoming increasingly easy to get.

信息的海量堆积、传播工具的无所不在使得信息对于人们而言不再稀缺。

youdao

Leptin level relates to body weight, body mass index, fat accumulation of pregnant women, fetal growth and development and fetal fat deposit.

瘦素水平与孕妇体重、体重指数、脂肪积累，胎儿的生长发育、脂肪沉积等均有关。

youdao

Work by Dr. Gershon and others has shown that serotonin is necessary for the repair of cells in the liver and lungs, and plays a role in normal heart development and bone-mass accumulation.

WSJ: A Gut Check for Many Ailments

The third mistake was that, because the workers were allowed to bypass the time-consuming mixing process in the tower, with its automatic controls for preventing such things happening, they were free to dump their material into a vessel that was not designed to prevent the accumulation of a critical mass sufficient to support a chain reaction.

ECONOMIST: All over in a flash

Scientists compare annual accumulation to the volume of ice lost to sea each year to calculate the ice sheet's overall mass balance and its contribution to sea level rise.

ENGADGET: NASA's GROVER eco-rover to examine Greenland's ice sheet (video)