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To enhance public health education and improve autoimmunity can prevent occurrence of the disease.

加强卫生宣教，提高自身免疫力等措施可防止本病发生。

objective to examine the length of time between complete bilateral ureteral obstruction and the occurrence of severe azotemia and to investigate the relationship between removal of obstruction time and renal function recovery.

目的 探讨家兔在双侧输尿管完全梗阻至重度氮质血症发生时段及解除梗阻时段和肾功能恢复的关系。

In this double-blind, randomized, placebo-controlled trial, the vaccine elicited a significant antibody response in 86% of dialysis patients and reduced the occurrence of bacteremia by 57%.

这项临床试验研究采用双盲且随机和安慰剂对照，接种疫苗后，可以使86％的接受透析的病人，产生显著的抗体反应，并使菌血症的发生率降低57％。

It was a carefully contrived occurrence," declared Congressman Louis McFadden, Chairman of the House Banking Committee."

这是一个精心预谋的事件，"路易宣布众议员麦克法登，众议院银行委员会主席。"

This paper reviews the occurrence and distribution of BaP in environment, as well as the ability and pathway for BaP degradation by microorganisms. In addition, approaches for improving microbial degradation of BaP are discussed.

本文综述了不同环境中BaP的来源与分布，BaP在环境中的行为，微生物对BaP的代谢途径，以及微生物降解BaP的相关限制因子，并结合作者在这方面研究的部分工作与目前国际研究的热点，提出值得进一步探究的有关问题。

In oceanic terranes, basaltic volcanism is dominant and frequent occurrence.

玄武岩。在海洋地形，玄武火山活动为主体，并经常发生。

Loss of the integrity of basement membrane often relate to the occurrence, infiltration and metastasis of tumor.

基底膜完整性的破坏常与口腔鳞癌的发生、浸润及转移有关，而基质金属蛋白酶家族蛋白在此过程中发挥了重要的生物学作用。

Someday, perhaps, scientists will be able to exactly predict the occurrence of El Nio, but for now, we can only batten down the hatches and get ready for some wild weather.

也许将来有一天科学家能够精确地预测厄尔尼诺现象出现，但是眼下我们只能是未雨绸缪，及时做好准备，预防恶劣气候的到来。

Someday Someday, perhaps, scientists will be able to exactly predict the occurrence of El Ni o, but for now, we can only batten down the hatches and get ready for some wild weather.

也许将来有一天科学家能够精确地预测厄尔尼诺现象出现，但是眼下我们只能是未雨绸缪，及时做好准备，预防恶劣气候的到来。

The Bayes formula is used in judicature to calculate the probability of all the clauses which lead to the occurrence of one event , what is needed in judicature is the mathematical model to calculate the probability from the crime doubts when some cases occur, upon which the cases have been judged fairly and justly.

Bayes公式是当某个事件发生后用来计算引起该事件发生的所有原因的可能性大小的计算公式。在司法排案中需要的就是当某个案件发生后建立计算哪些嫌疑人作案的可能性大小的数学模型，以此排案量刑，做到公正公平。

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。