既往的

He was one of a body of men who owed reverence and obeisance to no one, who were self — reliant to a fault, who cared hardly anything for the past but who had a sharp eye for the future.

他不敬畏任何人，不顺从任何人，过分讲求自力更生，他不追怀既往，但能用敏锐的目光看未来。

It is not known whether the birth of a previous small-for-gestational-age or preterm infant increases the subsequent risk of stillbirth.

目前尚不清楚既往分娩过小于胎龄儿或早产儿是否增加以后死产的危险。

Methods: Analyses are based on a subsample (N=877) consisting of adolescents (ages 12-17) who had attempted suicide in the past 12 months, drawn from a nationally representative community survey.

研究对象来源于具有代表性的社区普查人群，对该人群进行二次抽样，共有887名研究对象入组，年龄为12-17岁之间，既往一年中均曾有过自杀行为。

Polycystic ovary syndrome is an endocrine disorder with a variety of etiopathogensis and clinic manifestations, Hitherto its pathogenesy is still uncleared, However, there have been increasing supports for the contribution of the hyperinsulinism and hyperandrogenaemia in the pathological process of the PCOS.

多囊卵巢综合征(polycystic ovary syndrome， PCOS)是一种发病呈多因性、临床表现呈多态性的内分泌紊乱综合征。其发病机制至今尚未阐明，既往研究认为高胰岛素血症与高雄激素血症在PCOS发病机制中发挥着重要作用。

Preliminary study indicated that Angelica pubescens can decrease the lipid peroxide, increase the antioxidase activity and reduce the aging index of membrane.

既往研究表明，独活能显著地降低脑细胞脂质过氧化物含量，提高抗氧化酶活性和降低脑细胞的老化指数。

A total of 20 risk factors,including sex,age,history of hypertension,diabetes,coronary heart disease,stroke family,stroke frequency,transient ischemic attack, smoking,and alcoholic consumpt...

对两组患者的年龄、性别、既往高血压史、糖尿病史、冠心病史、卒中家族史、卒中次数、短暂性脑缺血发作史、吸烟、饮酒等共20个因素进行2χ或t检验，并用多元Logistic回归分析来确定其影响程度。

ABSTRACT Recurrent spontaneous abortion was named habitual abortion in the past, traditional Chinese names it as habitual abortion, which is one of common cyesis complication.

反复自然流产(Recurrent spontaneous abortion，RSA)既往称习惯性流产，中医学称之为滑胎，是常见的妊娠并发症之一。

Two groups were defined: the postbariatric group included patients who previously had bariatric surgery (laparoscopic adjustable gastric banding or Mason's vertical gastroplasty) before undergoing the plastic surgery; all other patients were assigned to the control group.

分组方法：在接受塑身手术前，曾接受减肥手术（腹腔镜可调胃囊带术或 Mason's 垂直胃成形术）的患者为既往减肥术组；其他患者均为对照组。

The subject had no history of previous trauma. Tambe et al. speculated that the loose body had recently migrated from another location where it had resided asymptomatically for years. The posterior compression and stenosis had been attributed preoperatively to infolding of the ligamentum flavum.

患者既往没有外伤史，Tambe等人推测游离体是几年前就存在于某个部位而没有相应症状，但最近游离到椎管内同时术前黄韧带的折叠并马尾从后面受到压迫造成椎管狭窄而产生症状。

The subject had no history of preious trauma. Tambe et al. speculated that the loose body had recently migrated from another location where it had resided asymptomatically for years. The posterior compression and stenosis had been attributed preoperatiely to infolding of the ligamentum flaum.

患者既往没有外伤史，Tambe等人推测游离体是几年前就存在于某个部位而没有相应症状，但最近游离到椎管内同时术前黄韧带的折叠并马尾从后面受到压迫造成椎管狭窄而产生症状。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。