查询词典 occurrence

The aim was to study the occurrence mechanism of cucumber replant disease.

［目的］研究黄瓜再植病害的发生机理。

Autotoxicity of phenolics is one of the most important factors contributed toward the occurrence of crop replant disorder.

酚类物质的自毒作用是造成作物重茬障碍的重要因素之一。

Therefore, its occurrence is arranged for the convenience of the reporting or reproducing media.

因此，媒介事件的发生是为了方便媒体的报道和传播而安排来的。

Should such an occurrence last longer than three months, we may rescind the contract.

若此类事件持续超过 3 个月，我方可以解除合同。

The occurrence of the disease and the resistibility of the human body are closely related.

疾病的发生与人体的抵抗力密切相关。

The switching operation of the switch is completed under the occurrence of resonance condition.

充电器中主开关在零电压时导通而升压二极体在零电流时截止，开关的切换动作是利用共振时完成。

The relative change between inflection points of respiratory quotient and HbO2 in skeletal muscle during the process of increased intensity sports is investigated. The occurrence priority and interval regularity of the two based on time is compared, and the physiological mechanism of synchronisms is analyzed.

研究在递增强度运动过程中人体骨骼肌内氧合血红蛋白(HbO2)含量相对变化的拐点与呼吸商拐点，比较两者在时间上出现的先后次序及规律，分析它们不同步的生理机制。

The occurrence of webpage game, can saying is a kind of game " retrogression ".

网页游戏的出现，可以说是一种游戏的"倒退"。

This paper was very important in revealing the action mechanism of trace elements in the occurrence of cancer.

本研究对揭示癌症产生中微量元素的作用机理有着重要的意义。

Abnormal of blood rheology and leuokocyte may be related to occurrence of acute cerebral infarction.

血流变学及外周血白细胞异常可能与脑梗死的发生有关。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。