In nineteen fifty-three, scientists discovered a special kind of sleep called REM or rapid eye movement.

Fifty-three percent have a market capitalization of below$ 100 million, and100 companies have announced corporate restructuring.

第五十五百分之三的市值低于1亿美元，与100家公司已宣布的企业重组。

William Faulkner was awarded the Nobel Prize for literature when he was fifty-three.

威廉福克纳53岁获诺贝尔文学奖。

Company officials say it will be able to transport satellites or spacecraft weighing up to fifty-three metric tons into orbit.

公司官方表示它能够将重达五十三公吨的人造卫星或者宇宙飞船送入轨道。

Clinical study on fifty-three children with hemophagocytic phenomenon

儿童合并骨髓噬血现象53例临床分析

Clinical Analysis of Fifty-three Cases of Postoperative Intraabdominal Infection

腹部术后腹腔感染53例临床分析

When did the problems begin between the United States and Iran? Many Iranians say it was nineteen fifty-three.

美国与伊朗之间的矛盾是何时开始的呢？

Amy Roberts has good memories of the school. She attended first grade there in nineteen fifty-three.

罗伯茨对该学校有着美好的回忆，她于1953年在这里进入一年级。

Fifty-three teams wanted to compete.

五十三支球队参加比赛。

Methods Forty-nine New Zealand rabbits were randomly divided into the control group, the PE-SWD group, the HBO therapy group and the mechanical ventilation group.

方法49只新西兰大白兔随机分为正常对照组7只、PE-SWD模型组14只、HBO治疗组14只、机械通气治疗组14只。

Have you ever thought of what you would like to do most if you have only forty-nine days left on earth, after your soul leaves your body?

你曾否想过，如果你的灵魂离开了身体，只能在世上逗留四十九天，你最想做的是什么？

Methods Forty-nine cases of hepatic trauma undergoing surgical treatment were analyzed in our hospital from Jan.

目的探讨不同术式综合应用对不同程度不同类型肝外伤的治疗效果。

Now there is already forty-nine persons in it.

现在已经有四十九人在船上了。

Forty-nine percent knew someone whose relationship began that way.

49%的人表示自己知道某些人的感情就是那样开始的。

Since the emergency landing of flight fifteen forty-nine, special radars have received a lot of attention.

因为这次1549航班在降落的时候，一种特殊的雷达收到了很多值得注意的信息。

To get to Times Square do I take bus number forty-nine?

去泰晤士广场是坐四十九号巴士吗？

Methods Forty-nine cases with retinal arterial obstruction were divided into two groups: in the treatment group, 25 cases were treated with defibrase;

方法视网膜动脉阻塞患者49例，分为2组：治疗组25例，应用降纤酶治疗；

The earth is forty-nine times larger than the moon.

地球比月亮大四十九倍。

Methods Forty-nine patients with 49 shoulders treated with percutaneous pinning had been reviewed with a mean follow-up period of 16.9 months.

方法随访49例应用经皮穿针固定治疗的肱骨近端新鲜闭合骨折患者，平均随访时间169个月。

A suicide car bomber killed at least forty-nine people yesterday in Peshawar.

昨天，白沙瓦自杀式汽车爆炸造成至少49人死亡。

Forty-nine ( 45.0%) patients had early recurrence of ATa.

49例（45.0%）在术后早期复发房性快速心律失常（ATa）。