The occurrences and catastrophes of migratory pests connected with the habitude of their sources, the patterns of migrations, the taking-off and landing mechanisms in most inseparable associations.
迁飞性害虫的发生和灾变与其虫源性质、迁飞规律、起飞降落机制等有着不可分割的联系,而起飞降落机制是这些因子中作用最大的一个,也是决定危害或灾变程度最关键的因素之一。
Darkness(Night)came on
黑暗(夜色)渐渐降临。
The salt water is passed through a series of chambers which have progressively higher vacuums and lower temperatures.
咸水流过一系列真空程度逐渐增高,温度逐渐降低的蒸馏室。
Sulfur content of gasoline reduces gradually along the riser.
汽油硫含量沿提升管高度增加而逐渐降低。
Lack of planning is sapping the company's efficiency.
公司缺乏计画性已逐渐降低了工作效率.
Successive transmissions of the same message are decreasingly accurate.
连续地传递同样的讯息,其精确性会逐渐降低。
"The man from a strange land who is living among you will be lifted up higher and higher over you, while you go down lower and lower."
在你中间寄居的,必渐渐上升,比你高而又高。你必渐渐下降,低而又低。
It was growing late, and the stillness and gloom of midnight were nearing.
夜已经渐渐深了,午夜的寂静和黑暗正在降临。
the declining role of the railways in the transport system
在运输系统中, 铁路的重要性逐渐下降.
With increased competition from M1, rates have been declining gradually.
当m1带来竞争后,收费率便逐渐下降。
The rolling hills fall gently toward the coast.
起伏的山丘逐渐向海岸缓降.
The role of the railways declined in the transport system.
在运输系统中,铁路的重要性逐渐下降。
House values may begin to slide.
房价可能开始逐渐下降了.
The graph flattens out gradually after a steep fall.
图表上的曲线突降之後逐渐趋於平稳.
The snow on the ground gradually cemented as the night fell.
随着夜幕降临地上的雪逐渐凝结起来。
Flapping his two large wings which carry a pungent odour, he swoops down from sky and presses upon the wolf...
他双翅驾着一股带腥味的雄风,自空而降,渐渐逼近,向它压下去了。
Sugar content does not increase after harvest, but acids are broken down during ripening, thus decreasing tartness.
采收以后,糖份不会再增加,果酸渐渐的分解,降低蓝莓的酸涩味。
The ratio of NAA/Cr decreased drastically at 4 hours after trauma,followed by a steadily recover at 8 hour,and decline again at 48 hour,though the ratio of Cho/Cr had no significant change.
MRS示轴索损伤后naa/Cr4h显著下降;8h起逐渐恢复上升,但48h又明显下降;
At this point yeasts and molds become dominant and degrade the accumulated lactic acid, and the acidity gradually decreases.
此时,酵母和霉菌成为优势菌并且降解积累乳酸,而酸度逐渐下降。
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