首次的

But the first commercially significant deposit was discovered in 1902 in the Pala region of California, where morganite beryl was also first discovered.

第一商业意义，但在1902年被发现存在加州地区的波罗、morganite绿柱石那里还首次发现。

China's motor vehicle market surpassed the US market for the first time in August.

中国的汽车市场超过了美国市场首次在8月。

T〓, ΔT〓,〓 and ξ are all influenced by the flow pattern of molten electrolyte and metal and by temperature gradient. 6. A set of software characterized with typical friendly Windows GUI has been successfully developed under Borland C++ OWL IDE. It has a hierarchical completely mouse-driven menu system.

根据NaF-AlF〓体系性质与结晶热力学和动力学原理，首次提出槽帮结壳在冷凝形成和熔化消失过程中分别存在一"过冷度"：ΔT〓，〓(5)"过热度"：ΔT〓，〓(6)新结壳固化时间：〓和理论研究和实际生产所指槽膛内形之间存在的"过渡层"，厚度为ξ。

By calculation, the principles of internal flow in MPC system were found.

对于排气系统，首次完成了MPC排气系统流动的数值模拟研究。

When rival bidder Murchison Metals first announced its plans for a reverse takeover on May 26, the share swap ratio implied a value of A$7.70 per Midwest share.

当竞争对手Murchison Metals于5月26日首次宣布其反收购方案时，其提出的换股比率相当于中西部公司每股价值7.70澳元。

Mary will make her bow as a singer in a new musical comedy.

玛丽将在新音乐喜剧中以歌手的身份首次亮相。

It is the first time to mutate the key rare codons in seap gene in the world.

对seap基因中关键稀有密码子的突变在国内外尚属首次。

Three isoforms of myosin heavy chain fragments, two of which were the first time reported, were isolated.

克隆到三条对应于肌球蛋白重链尾部保守区的异构体，其中两条是首次报道。

The controls were only given 0.2mL corn oil injection simultaneously. The rats were sacrificed after suffering from dyspnea, and the survived rats were sacrificed at narcotism in 1 year after the first 3, 4-benzopyrene toxicosis. Lung, brain, liver, esophagus and stomach of all rates were anatomized in search of tumor.

处理后观察1年，期间出现呼吸困难时处死大鼠，首次处理后1年处死全部仍存活大鼠，解剖大鼠肺、食管、胃肠道、肝及脑等脏器，观察有无肿瘤形成，并对肿块及全部大鼠的肺组织切片进行苏木素伊红(hematoxylin and eosin，HE)染色分析。

Europeans first came into contact with the Indians of Rhode Island in 1524, when the explorer Giovanni de Verrazano visited Narragansett Bay.

1524年，欧洲人首次接触罗德岛的印地安人，是在探险家韦拉札诺造访纳拉甘西特湾时。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。