Through analysing the orientation and results between natural selection and artificial selection, this paper indicated that both selections result in competition for the existence of the natural population, and in improving economic yield of the artificial population, respectively, and orientations of both selections are colony superority for artifical popula tion, and individual supe.
从分析自然选择和人工选择在目标和方向上的重大差异入手，指出自然选择的核心是生存竞争，其结果产生个体优势；人工选择的方向是群体优势，其目标是获得较高的经济产量。
To detect response of main-effect QTL(M-QTL) in mapping populations to artificial selection,stably expressed M-QTL was identified from backcross inbred lines in Teqing background(TQ-BIL) in Beijing and Hainan.
利用粳稻Lemont导入籼稻特青背景构建的高代回交导入系和重组自交系群体,在北京和海南两地检测影响株高和剑叶宽的稳定表达的主效QTL,分析这些主效QTL在导入系和重组自交系群体的不同选择强度(5%、10%和20%)的极端群体中的等位基因偏离,研究不同性状的主效QTL对不同选择强度的响应及不同遗传结构群体对主效QTL人工选择响应的影响。
Scholars of Wei and the Jin Dynasties suffered a lot of anxiety about the personality choice,which related to their anxiety about life caused by war and political experience.
魏晋士人由战乱、政治遭际而来的生命焦虑转化为人格选择的焦虑。
The Influences of the Health Reform "Patient s Selection for the Doctor" on Service Behaviors of the Medical Workers in Shaoxing Hospitals;
“病人选择医生”对医务人员职业行为影响的研究
Why do so many cancer patients choose alternative treatments?
为什么那么多癌症病人选择了替代性的治疗方法?
The Time Preference on Intertemporal Choice and Preventing the Chronic Diseases
病人跨期选择中的时间偏好与慢性病防治
Patients' bills of rights require that they be informed about their condition and about alternatives for treatment.
各种的病人权利法案要求告知病人实情，让病人在治疗上做出选择。
Analysis of Relative Factors Influencing sE-selectin and sP-selectin in Type 2 Diabetic Patients;
影响2型糖尿病人sE-选择素和sP-选择素的相关因素分析
Clinical Research of lrrigation Choice in Anchovy Poisoning
鳀鱼中毒病人皮肤清洗液选择的临床研究
The Effect of Catheterization Opportunity Selection on Heart Rate and Blood Pressure in General
导尿时机选择对全麻病人心率血压的影响
Selection on time of detaining urethral catheterization for patients undergoing gynecological abdomen surgery
妇科腹部手术病人留置尿管时间的选择
The Choice of Therapy Opportunity about Ischemic Nephropathy in Dangerous Public
高危人群缺血性肾脏病的外科干预时机的选择
Research on Negative Selection Algorithm in Computer Virus Artificial Immune
计算机病毒人工免疫中阴性选择算法的研究
Value of clinical classification of adult polycystic liver disease for selection of treatments
成人多囊肝病临床分期对治疗方式选择的价值
artificial selection
人为选择 [淘汰]
Additionally, individuals with diabetes and medically treated hypertension were not recruited.
此外,也不能选择患糖尿病和高血压的病人进行实验。
When choosing diagnostic studies, the physician begins with those that yield the most comprehensive information and carry the least risk for the patient.
医生选择诊断方法时，应先选择那些能提供最全面的信息而对病人的危险又最小的方法。
The Essence of the Choic of Value IS the Choice of Human Nature;
价值选择的实质是对人的本质之选择
It introduced the selection of negative pressure of sputum aspiration for patients undergoing mechanical ventilation both in abroad and at home.
介绍了国内外机械通气病人吸痰时吸引负压的选择。
Methods 60 cases with expectoration difficulty after lung surgery were evenly divided at random into two groups: A and B. The cases in group A were treated with massage on Tian Tu acupoint and routine nursing;
方法选择60例肺部手术病人,随机分成两组,每组30例。
※ Once the patient and doctor are convinced that there is no alternative, they call for a second opinion.
※一旦病人和医生都确认没有其他选择，他们还必须听取第二种意见。