研究人员还测算出了一个名为横断面的暗物质的特性，横断面剖析描述了粒子之间相互作用的可能性的大小。
Researchers also calculated a property known as the cross-section, which describes how likely the particle is to interact with others.
当代基础研究可分为四大类：纯基础研究、横断性基础研究、应用基础研究、综合性基础研究。
Contemporary basic research can be scientifically classified into four groups: pure basic research, intersect basic research, applying basic research and integrate basic research.
研究方法1设计方案采取横断面纵向研究与前瞻性随访研究相结合的方法。
Methods1 DesignTo take cross-sectional longitudinal study with follow-up study of a combination of forward-looking approach.
方法本专题采用的研究方法包括：疾病动态监测、危险因素动态监测、横断面研究、前瞻性观察、生态学比较和模型预测等流行病学方法。
Method The study methods of this project included dynamic disease surveillance, multiple risk factors examinations, cross - sectional and prospective study, and modeling of predictive models, etc.
我们进行了一个横断面观察性研究。
METHODS: We performed a cross-sectional observational study.
方法：本研究属于描述性研究中的横断面调查。
本研究在分析线路平纵横断面参数对高速列车行车安全性与乘坐舒适性影响的基础上，建立了较为完善的车线动力相互作用分析模型。
Based on the analyses of the effects of route alignment parameters on running safety and ride comfort, a model of dynamic interaction between vehicles and structures was established.
创建“精神病人诉讼行为能力评定量表”评定工具，运用该工具进行回顾性及横断面研究，对该量表的信度、效度及实用性进行初步检验。
Create an instrument which called the Mental disorders 'civil Litigation Competence Rating Scale, then use the instrument retrospectively and to study the validity and reliability of the instrument.
方法：收集100例青少年特发性脊柱侧凸女性患者，分别在横断面描述性研究。
Methods: One hundred female patients with adolescent idiopathic scoliosis were recruited in this cross-sectional descriptive study.
横断面研究MPO活性与合并心血管疾病之间的相关性。
The relation between MPO activities and complicated cardiovascular disease was analyzed.
横断面研究MPO活性与合并心血管疾病之间的相关性。
The relation between MPO activities and complicated cardiovascular disease was analyzed.
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