缺乏内源因素可导致恶性贫血。
相比之下，“内源性”因素（来自本系统内部）似乎重要得多。
The “endogenous” factors (those originating within the system) seem so much more important.
该技术减少了内源性因素对实验的影响，具有准确可靠、 重复性好、避免低血糖发生等优点。
Due to the reduction of endogenous influences, the technique has high accuracy, good reproducibility and can avoid hypoglycemia.
对不同外植体及其愈伤组织的内源激素含量进行分析发现，内源激素的含量和配比是影响愈伤组织诱导率和绿苗分化率的关键因素之一。
Through analyzing the endogenous hormones content of different explants and calli, the content and mixture ratio of endogenous hormones were one of the key factors that can affect CEF and GPDF.
采食量是猪营养的第一制约因素。本文就影响猪采食量调节的因素以及当前内源性调控采食量的一些初步研究作一简要介绍。
Feed intake is one of the key restriction factors on pig growth. The factors affecting feed intake for pigs and researches of endogenous regulation feed intake were reviewed.
方法检测40例肥胖儿及40例正常儿血压、内源性洋地黄样因子(EDLF)及血脂并调查相关因素。
Methods Blood pressure, concentration of endogenous digitalis like factor (EDLF), serum lipid and related factors were investigated in 40 obese children and 40 normal controls.
近年来，有研究提出内源性甲醛（FA）可能是启动内皮细胞损伤，导致动脉粥样硬化的一个潜在危险因素。
Recently, it was proposed that endogenous formaldehyde(FA) may be involved in endothelial damage, and may be a potential factor of vulnerability of atherosclerosis.
寻找内源性眼内炎的临床特点、评价治疗效果、分析预后相关因素。
To investigate the clinical features, therapeutic effects and prognostic factors of endogenous endophthalmitis.
目的探讨胃腔内病原菌定植的影响因素以及胃腔定植菌在机械通气相关性肺炎（VAP）内源性发病机制中的作用。
Objective To investigate the risk factors for gastric bacterial colonization and its role in the endogenous pathogenesis of ventilator-associated pneumonia (VAP).
本文就影响猪采食量调节的因素以及当前内源性调控采食量的一些初步研究作一简要介绍。
The factors affecting feed intake for pigs and researches of endogenous regulation feed intake were reviewed.
回归分析结果表明，在心理影响因素中，内源动机、课程胜任感、课程困难应对和内归因影响显著，其中内源动机的影响力最大；
Regression analysis reveals that among psychological factors, intrinsic motivation, curricula efficacy, difficulty-coping efficacy and intrinsic attribution have significant influencing power.
回肠内源氮或内源性粪氮损失是影响蛋白质表观消化率、增加动物粪氮排泄量的重要因素。
Endogenous nitrogen loss in digestive gut is an important factor affecting apparent digestibility of protein and increasing feces nitrogen excrement.
儿童身高的发育是一个多因素作用的过程，受外环境因素与内源性因素的综合影响和调节。
Linear growth is a multifactorial trait that is influenced and regulated by a combination of environmental and internal factors.
高度保守的DNA修复和细胞周期检查点通路使得细胞能够应付各种内源性或外源性因素引起的DNA损伤。
Highly conserved DNA-repair and cell-cycle checkpoint pathways allow cells to deal with both endogenous and exogenous sources of DNA damage.
高度保守的DNA修复和细胞周期检查点通路使得细胞能够应付各种内源性或外源性因素引起的DNA损伤。
Highly conserved DNA-repair and cell-cycle checkpoint pathways allow cells to deal with both endogenous and exogenous sources of DNA damage.
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