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Hog cholera epidemics occur in all the pig-rearing countries of the world, and due to its high transmissibility and high mortality poses a serious menace to the pig industry.

猪瘟在世界上养猪国家都有流行，因其传染性强、死亡率高，严重威胁着养猪事业。

The stability criteria on the hydrostatics theories are used to estimate whether aship in the heavy seas capsize or not,this method ignores the time domaincharacteristics, frequency characteristics and the randomicity of ship motions. Thecapsizing accidents occur now and then although ships are designed according tostability criterion. So, it is also the important problem for human beings to investigatethe nonlinear characteristics of ship motions and evaluate the survival ability of ships.

目前的稳性标准是根据流体静力学理论来评判船舶在风浪中的安全行为，这种方法忽略了船舶运动的时域特性、频域特性及随机性，按照目前稳性规范设计的船舶仍然时有倾覆发生，因此研究船舶的非线性运动特性和评估船舶航行的生存能力，仍然是人类面临的重大课题。

Small cell carcinoma is a rare, highly aggressive and invasive poorly-differentiated neuroendocrine carcinoma that is often in the lungs but rarely in the head and neck region. It is even rarer to occur in the hypopharynx. As a highly malignant lesion, it tends to metastasize early and readily.

小细胞癌是一种少见但极具侵犯性之分化不良的神经内分泌癌(poorly differentiated neuroendocrine carcinoma)，它常发生在肺部，而在头颈部非常少见，至於下咽部的病例数，更是寥寥可数。

Objective:To analysis of 12 cases of iritis secondary to glaucoma filtering surgery cases occur hypopyon treatment and care.

目的：分析12例以虹膜炎继发青光眼行滤过术后出现前房积脓病例的治疗与护理。

All the expressions, therefore, that occur in the gospels are to be referred to one person, the one enfleshed hypostasis of the Word .

所有的表现形式，因此，发生在福音中要提到一个人，一个enfleshed本质的字词。

Break ice jams often occur suddenly and induce severe flooding with little warning.It is important to mitigate the stages due to the evolution of ice jam.

冰期水位是冰塞演变和发展的重要结果之一，对于防灾减灾具有重要的参考价值。

Therefore, it is imperative that you need to be prepared for the great change that is about to occur.

所以，你需要为快要出现的伟大改变准备好，这是必要的。

In this project, we intend to combine the above mathematical ideas. First, we consider a wild family of dynamical systems which can be derived into a family of difference equations. Then using a generalized version of the implicit function theorem which we will establish, we want to show that for any dynamical systems near 「singular limit」, there exists a horseshoe structure and hence chaotic phenomena occur.

在此研究计画中，我们打算结合上述的数学结论与想法，进一步考虑一类能够转化成差分方程的动态系统函数族，使用即将建立的推广性隐函数定理，我们希望证明当参数接近奇异极限时，动态函数会具有马蹄结构所以有混沌现象。

A continuum of events that occur in succession from past to present to future.

从过去到现在，再到将来持续发生的一系列事件。

In the course of the development of regional economy, the inconformity of economic zone and administrative zone is universal, which is easier to occur and does more harm to well development of regional economy, especially under the circumstances of the unsound socialist market-economical system.

在区域经济发展过程中，经济区与行政区不整合是普遍存在的现象，尤其在我国社会主义市场经济体制尚未健全的情况下更容易发生，且对区域经济的健康发展更具危害性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。