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日媒：日本成功发射探月火箭，探测器计划明年1-2月在月球着陆

[环球时报综合报道]几经延误之后，日本宇宙航空研究开发机构（JAXA）于当地时间7日8时42分利用H2A火箭成功将月球探测器“SLIM”和X射线天文卫星“XRISM”送入太空。

《日本经济新闻》7日称，此次运送到太空的SLIM探测器计划于2024年1-2月尝试在月球着陆。如果着陆取得成功，将标志着日本成为继苏联、美国、中国、印度之后第五个实现在月球表面软着陆的国家。

　　印度媒体称，SLIM是一个非常小的航天器，高2.4米、宽2.7米、重量只有200公斤左右，“相比之下，印度‘月船-3’号着陆器重约为1750公斤”。

　　美国《纽约时报》7日称，SLIM的主要目标是演示在所选地点100米范围内的精确着陆。该任务将证明可以在月球表面那些“我们想要去的地方，而不仅仅是容易着陆的地方”着陆。

　　JAXA表示，精确着陆技术对于确保航天器尽量接近月球上具有科学意义的地点至关重要。这次SLIM选择的着陆点位于月球赤道地区一个名为Shioli的小陨石坑附近。“由于着陆点位于陨石坑附近，周围区域倾斜约15度。在这样的斜坡上安全着陆的方法变得很重要。随着科学和探索目标变得更加复杂，未来在这样的倾斜区域着陆的需求将会越来越大。”

　但要实现这样的精确着陆并不容易。JAXA表示，因为探测器首先要保证在太空恶劣环境中的运行稳定性，因此采用的芯片处理能力只有地球上使用的顶级芯片的百分之一，这意味着日常生活里常见的视觉探测系统受到很大限制。为此，SLIM专门开发了图像处理新算法，可以在运行速度较慢的太空芯片上运行。当SLIM准备着陆时，这套高效的算法将引导雷达和激光快速而准确地测量航天器的高度和下降速度，并通过摄像机指导航天器准确下降到月面。

中文译文：

Japanese media: Japan has successfully launched a lunar exploration rocket, and the probe plans to land on the moon from January to February next year

After several delays, the Japan Aerospace Exploration agency (JAXA) successfully launched the lunar probe "SLIM" and X-ray astronomical satellite "XRISM" into space using an H2A rocket at 8:42 local time on the 7th.

The Nihon Keizai Shimbun said on the 7th that the SLIM probe sent to space is planned to try to land on the moon in February 2024. If the landing is successful, it will mark Japan as the fifth country to achieve a soft landing on the lunar surface after the Soviet Union, the United States, China, and India.

According to Indian media, SLIM is a very small spacecraft with a height of 2.4 meters, a width of 2.7 meters, and a weight of only about 200 kilograms. "In contrast, the Indian 'Lunsha-3' lander weighs about 1750 kilograms.

The New York Times reported on the 7th that SLIM's main goal is to demonstrate precise landing within 100 meters of the selected location. This mission will demonstrate the ability to land on the surface of the moon where we want to go, not just where it's easy to land.

JAXA stated that precise landing technology is crucial for ensuring that spacecraft are as close as possible to scientifically significant locations on the moon. The landing site chosen by SLIM this time is located near a small crater called Shioli in the equatorial region of the moon. due to the location of the landing site near the crater, the surrounding area is inclined by about 15 degrees. The method of safe landing on such slopes has become important. As scientific and exploration objectives become more complex, the demand for landing in such inclined areas will increase in the future

But achieving such a precise landing is not easy. JAXA stated that because the detector first needs to ensure operational stability in harsh space environments, the chip processing capacity used is only one percent of that of top chips used on Earth, which means that common visual detection systems in daily life are greatly limited. For this reason, SLIM has developed new image processing algorithms that can run on slower space chips. When SLIM is ready to land, this efficient algorithm will guide radar and laser to quickly and accurately measure the spacecraft's altitude and descent speed, and guide the spacecraft to accurately descend to the lunar surface through a camera.

重点词汇

　　出品 produce ; manufacture ; make ; product

　　相互转换 Mutual conversion ; interconversion

　　挑错 find fault ; pick flaws

　　错别字 wrongly written or mispronounced characters

　　词库 Thesaurus ; lexicon ; word-stock

　　无暇 Flawless ; be too busy ; too busy ; have no time ; have no time to

　　洁白无瑕 spotless white ; spotless and flawless ; immaculately clean

　　黄梁美梦 fond dream ; a sheer daydream ; a vanished dream--evanescence of wealth and life ; fool's paradise

　　黄粱美梦 fool,s paradise ; pipe dream ; Gold Millet Dream ; a vanished dream ─ evanescence of wealth and life

　　美仑美奂 magnificent mansion ; sumptuous house

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