帮忙翻译一下（汉译英）

20世纪以前较完整的目击报告有350件以上。据目击者报告，不明飞行物外形多呈圆盘状（碟状）、球状和雪茄状。20世纪40年代末起，不明飞行物目击事件急剧增多，引起了科学界的争论。持否定态度的科学家认为很多目击报告不可信，不明飞行物并不存在，只不过是人们的幻觉或是目击者对自然现象的一种曲解。肯定者认为不明飞行物是一种真实现象，正在被越来越多的事实所证实。到80年代为止，全世界共有目击报告约10万件。不明飞行物目击事件与目击报告可分为4类：白天目击事件；夜晚目击事件；雷达显像； 近距离接触和有关物证。部分目击事件还被拍成照片。人们对 UFO作出种种解释，其中有 ：
1.某种还未被充分认识的自然现象或生命现象；
2.对已知物体，现象或生命物质的误认；
3.特定环境下一些社会群体或个人的幻觉，心理现象及弄虚作假；
4.地外高度文明的产物。
5.在外星人的操纵下造成的。
6.人们不能自已制造，不能完全认识的智能飞行物或飞行器。
1947年，美国爱达荷州商人肯尼思·阿诺德驾驶私人飞机穿越华盛顿州的Cascade山脉时，看见9个规则排列的飞碟。几天之后，新墨西哥州的罗斯威尔发现神秘的金属残片。 这就是进入工业革命后第一次全面的UFO报告。
飞碟热首次出现在1878年1月，美国得克萨斯州的农民 J.马丁看到空中有—个圆形物体。美国150家报纸登载这则新闻，把这种物体称作“飞碟”。1947年7月8日，地点是新墨西哥，美国陆军对外宣布，他们捕获了一只UFO，几个小时之后又说是假的（详细请百度搜索 历史机密传奇之外星人被俘之谜）！1947年6月，美国爱达荷州的一个企业家K.阿诺德驾驶私人飞机，途经华盛顿的雷尼尔山附近，发现9个圆盘高速掠过空中，跳跃前进。这一事件在美国所有报纸上得到报道，又一次引起了世界性的飞碟热，以后有关发现飞碟的报告纷至杳来，各国政府和民间机构也纷纷组织调查研究。

20
centuries ago, witnessed a more complete report has more than 350.
According to witness reports, more cylindrical shape UFO discoid
(dish), spherical and cigar-shaped. Since the late 20th century, 40
years, a sharp increase in UFO sightings, causing the scientific
community debate. Scientists believe that a negative attitude to a lot
of sightings not credible, UFO does not exist, only the illusion of
people, or witness as a misinterpretation of natural phenomena.
Certainly believed that UFO is a real phenomenon, is being confirmed by
the fact that more and more. Up to 80 years until the world there are
sightings of about 10 million. UFO sightings witnessed the incident can
be divided into four categories: day witnessed the event; night
witnessed the incident; radar imaging; close contact and the physical
evidence. Some might have witnessed the incident have also been made
into a photo. People make all kinds of UFO explanation, including:

1. Some have not yet been fully aware of the phenomenon of natural phenomena or life;

2. For the known objects, phenomena or material mistake of life;

3. Specific environment of some social groups or individuals under the illusion, psychological phenomena and fraud;

4. In addition a high degree of civilization.

5. Under the manipulation caused by aliens.

6. One can not manufacture their own can not fully appreciate the smart flying objects or aircraft.

In 1947, the United States, Idaho businessman Kenneth Arnold, a
private jet to drive across the Cascade Mountains in Washington state,
he saw nine regular arrangement of flying saucer. A few days later, New
Mexico, Roswell mysterious metal debris found. This is the first time
since the industrial revolution into a comprehensive report on the UFO.

UFO fever first appeared in January 1878, farmers in Texas, see J.
Martin, the air there - a circular object. United States 150 newspapers
published this news, to put this object as "flying saucer." July 8,
1947, is located at New Mexico, the U.S. Army announced that they
captured a UFO, a few hours later, is said to be false (for details
please Baidu search history Legend of the secret mystery of aliens
captured)! In June 1947, the U.S. entrepreneur K. Arnold, an Idaho
driver's private jet, passing through the vicinity of Mount Rainier in
Washington found that nine high-speed disk passing the air, jumping
forward. The incident all the newspapers in the United States be
reported, once again aroused worldwide UFO fever, after the discovery
UFO Fun to the dark and quiet to the report, governments and civil
society organizations have also organized investigation and study.

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