The suitable control period should be from preliminary occurence to first stage of increase.
防治适期应该掌握在初发期至种群增长期的初级阶段.
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The geological character and occurence state of the gold are stated in detail in this article.
本文详细地阐述了该金矿床的地质特征及其金的赋存状态.
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Objective To the occurence mechanism and correlative factors of peripheral edema in meningioma.
目的:研究脑膜瘤瘤周水肿的发生机制及相关因素.
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将来尚须密切追踪头围成长及神经学的成熟与发展.
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TTX or Ca +-free ACSF may reduce the amplitude and delayed the occurence of hypoxic depolarization.
用TTX或无Ca2+人工脑脊液灌流脑片可显著地降低缺氧去极化幅度,延迟去极化的发生.
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了解这些心包填塞的原因有助于采取有效措施预防其发生.
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Few active steps have been taken to measure, understand or manage the occurence of absenteeism.
人们很少采取积极的措施来调查 、 理解和解决旷工问题.
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Party applies for a county ( city ) arbitrate or sue case common occurence to people court directly.
当事人申请县 ( 市 ) 仲裁或直接向人民法院起诉案例屡见不鲜.
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Occurence of the vaginal variant is common among healthy women and is unrelated to HIV status.
阴道感染变异则可能发生在普遍的健康妇女的身上,与HIV病毒状况无关.
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结果表明,胫骨前肌浅部和深部Ⅰ型纤维均占70%左右;
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同时田间新梢蚜虫发生率与黄板上蚜虫诱集量有显著的线性关系,可以利用黄板上蚜虫诱集量平均值的预测区间结合田间无翅蚜发生高峰来预测田间蚜虫的发生情况。
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结论:Perthes病的疗效应以尽可能恢复髋关节头臼协调为目的,髋臼外上缘对股骨头的直接压迫作用是股骨头后遗扁平髋的重要因素。
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将4种基本云类(卷云、积雨云、积云和层云)的分数维和灰度梯度共生矩阵(GGCM)的二次统计特征结合起来,对云类进行分类与识别。
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提示:预防低出生体重儿的发生,应从合理营养、孕期保健等方面着手。
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