性选择的

In the design of drip irrigation system, the choice of dripper discharge affects the irrigating water quality and the costs of drip irrigation engineer, while the soil moisture uniformity for line source drip irrigation affects crops water use directly, and it is the foundation to design drip irrigation system.

滴灌系统设计中，滴头流量的选择关系到灌水质量和滴灌工程的造价问题；而线源滴灌土壤湿润均匀性问题影响到滴头流量的选择，并直接影响着作物对水分的利用，是滴灌系统设计的基础。

This paper deals with the deflection of the Liberty ship resting on keel blocks during drydocking, which is regarded as a continuous beam of variable section and rigidity resting on an elastic foundation.

本文把安置在干塢中龙骨墩上修理的自由輪的变形，视为彈性基础上的变断面、变剛性連續梁来計算，应用能量法选择主振动形式函数来表示船身撓曲曲线。

Based on contraction mapping theorem of analysis mathematics, the non-steady flow mathematical model of mine ventilation network was analyzed.

利用分析数学的压缩映射原理，对矿井通风网络非稳定流动数学模型进行了分析，得出了数学模型数值解收敛的条件，确定了以惯性系数排序选择最小生成树的回路选择方案，为矿井通风网络非稳定流动数学模型数值解的收敛性提供了理论依据。

The phenotype values of the major gene and polygene mixed inheritance of quantitative trait demonstrate multimodality, showing the mixture of more than one normal distributions, that is corresponding to more than one major gene genotypes, so the selection is different from common quantitative trait in model hypothesis and analysis.

主基因-多基因混合遗传的数量性状，其表型值呈现多峰性，表现为多个正态分布的混合，即对应多个主基因基因型，其选择与普通数量性状的选择在模型假定以及分析上都有很大的不同。

Discussion: We discussed the issues of psychogenic theory of HG, dissenting views against the HG psychogenesis, accepting the patient as she is, weighing the risk and benefit of the antidepressant therapy, and the limitation of this case presentation.

讨论：我们讨论了文献中关於妊娠剧吐为心因性或非心因性的各种看法、对待此类病人所应有的态度、及罹有妊娠剧吐甚或忧郁症之怀孕妇女的治疗选择。

My current benchmark interest rate in response to the problems and choices reasons for this loan interest rates, rediscount rate, the bond repurchase rate, the benchmark interest rate of treasury bonds was conducted to explore and functional analysis of specific comparison of their respective advantages and disadvantages.

针对我国现阶段在基准利率选择方面存在的问题及原因，依据基准利率选择具体原则和标准。本文对我国现有货币市场上的同业拆借利率、再贴现利率，债券回购利率、国债利率的基准性功能依次进行了探讨与分析，具体的比较了它们各自的优缺点。

Methods: 83 cases convalescent cerebral infarction, which Diagnosis both fitted atheroscleroticand apoplexy involving both collateral and meridian(blood stasis congesting brain vessel syndrome), were selected to observe the curative effect of Xi-chen-tong-shu capsule.

选择83例既符合中医中风病之中经络证，又符合西医诊断、病程在恢复期内（即发病≥2～4周）的动脉粥样硬化性血栓性脑梗死不伴意识障碍者，观察希臣通舒胶囊对其的临床疗效。

Methods "Beiao" bait and no "beiao" were selected to evaluate the feeding acceptability of SD rats in laboratory by select fooding method;after putting "beiao" in field for three and six monthes,the results for controlling rats by trap were recorded respectively;rats procreation and rate of infancy and manhood of catching rats from three fields("beiao" bait,Anti Cruor bait and naturalness) were analized by anatomised.

方法实验室采用常规毒饵适口性实验方法观察适口性，现场选择在农田、农户环境，于4次投放毒饵后检查鼠类对贝奥雄性不育剂的消耗水平，用贝奥雄性不育剂处理后3个月和6个月测定鼠密度，解剖观察成年鼠生殖能力，测量成幼年鼠的比例。

Methods: Forty-three indiviuals who were exposed to arsenic more than 0.05mg/L in well water were chosen and the vein blood and morning urine was collected; The MTHFR C677 polymorphism was analyzed by PCR-RFLP method; Urinary inorganic and methylated arsenic were speciated by high performance liquid chromatography combined with hydride-generation atomic fluorescence spectrometry; Microbiological assay was used to estimate serum folate.

在砷中毒流行区选择饮水史清楚、饮水砷含量高于0.05mg/L的43名居民，采集空腹静脉血并收集晨尿，以聚合酶链反应－限制性长度多态性方法分析MTHFR基因C677T位点多态性，采用高效液相色谱－氢化物发生－原子荧光法检测尿中各种形态的砷，采用微生物法测定血清中叶酸水平。

The signal adopted and don't jump a line technique lately, needing to set the gauge internal parameter can, have to use sex, credibility more, the characteristics of convenience

信号选择采用了最新无跳线技术只需设定仪表内部的参数即可，仪表具有多用性，可靠性，方便性的特点。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。