第一

Clinically, ventricular systole is regarded as the period between the first and second heart sounds, while diastole is the time between the second heart sound and the first heart sound of the next cycle.

临床上，心室收缩被视为间的第一和第二心音，而舒张期之间的时间是第二心音第一心音的下一个周期。

Used in the First Epistle of St. Peter, in the Epistle of St. Polycarp, in the works of St. Justin, perhaps in the Didache and I Clement, it appears to have been already well known towards the end of the first century.

用於第一使徒圣彼得在使徒圣波利卡普，作品中街贾斯汀，也许是在十二使徒遗训，我克莱门特，它似乎已经众所周知快要结束时的第一个世纪。

The second groove intersects the first groove set at an intersection angle such that the first optical surface (142) intersects the second optical surface (144) to define an orthogonal dihedral angle between the two surfaces.

第二沟槽组与第一沟槽组以一交角相交，以使第一光学表面（142）与第二光学表面（144）相交，而在两个表面之间限定一垂直二面角。

Disciplinary Knight, pull 30 + yards into the fight, start to slow down the freedom to steal, steal basic win, steal security if we do not rely on, hold the first round of the two shield硬拼Austrian gas will be strong for the first round, the fastest of pressure Invincible, the second wake-up call to do after the disappearing trick.

惩戒骑士，拉30+码进战斗，开局减速，偷自由，偷得到基本赢，偷如果不保靠，撑两个盾第一轮硬拼，奥强气定给第一轮，最快化压无敌，第二波唤醒消失做后招。

This was the first and primal paradox or distortion of the Law of One.

这是第一并且最初的矛盾，或称为一的法则的第一个变貌。

Chapter 1 is part 1. It reviews the geographical distribution of the family cases of this thesis.

第一章即第一部分，考察所用家族案例的地域分布。

The first and second syllables constitute a disyllable group, and the first syllable changes according to the initial syllable of the disyllable group.

即第一、二两个音节构成一个两字组，第一个音节按两字组的前字变；第二、三两个音节构成一个两字组，第二个音节按两字组的前字变，第三个音节按两字组的后字变。

Using a simple analytical model equilibrium, the dependence of tokamak edge safetyf actor qedge which can be understood as q~ for a limiter device or q95 for a divertor device, and the shear value are calculated and compared with the ITR~recommended formula.

重点讨论了适合于磁约束核聚变实验装置第一壁上W／Cu复合材料连接的几种方法：电子束焊、钎焊、热等静压连接、烧结熔渗法、等离子体喷涂法，并列举了第一壁材料与热沉材料成功连接时电子束辐照热负荷实验的情况。

This was always immediately after the first dive day or first dives in a series.

这通常是在第一天潜水后或是一系列潜水的第一潜后立即出现的。

Culture and Sport as Australia have, in the medical support area by the Beijing Association of Community Health is designated as Beijing's first community health center general medical management of the pilot districts, supporting education, the introduction of Extreme baby Transparency International Bilingual Kindergarten-wide, with the Japanese altar primary, North Korea sign cooperation附小division, Beijing Children's Art Theater has also been designated as the first children's art community pilot base, a comprehensive package of medical and educational community to give full expression to the human family care; Cappuccino uphold the 17th century European royal and noble history of Sharon clubs, a good fit its style golf communities.

文化和体育，澳大利亚已经在医疗领域的支持，北京社区卫生协会指定为北京第一社区卫生服务中心一般医疗管理的试点地区，支持教育，实行极端婴儿透明国际双语幼稚园的全与日本祭坛小学，北朝鲜签署合作附小司，北京儿童艺术剧院也被指定为第一个儿童艺术社区试验基地，一个综合性的一揽子医疗和教育社会的充分体现对人的家庭照顾；卡布奇诺维护17世纪欧洲王室和崇高的历史沙龙俱乐部，非常适合其风格的高尔夫社区。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。