A | 1月9日，戴尔今天宣布推出一款装有微型2.25毫米相机的更新版XPS13笔记本电脑，戴尔将其集成到了XPS13的顶部边界。戴尔声称这是最具创新性的高清晰度笔记本电脑相机，并介绍了相机的一些细节：微型化：戴尔在制造这些相机上投入了大量资金，生产的模块小于前几代的一半，同时提高了产品质量。
B | 四个镜头：这个镜头比通常的网络摄像头使用更多的镜头，在屏幕的所有区域提供清晰的视频。
C | (ECNS) -- Wang Xiji, one of the pioneers of China's space program, an academician of the Chinese Academy of Sciences, and recipient of the "Two Bombs, One Satellite" Meritorious Service Medal, died in Beijing on Wednesday at the age of 105 after an illness. The China Academy of Space Technology said his death was a great loss to China's space program, expressing deep condolences and remembrance for the scientist who devoted his entire life to the country's aerospace endeavors. In November 1958, shortly after the launch of the call that "we should also develop artificial satellites," Wang was transferred to the Shanghai Institute of Mechanical and Electrical Design under the Chinese Academy of Sciences, where he became the technical leader for sounding rockets. At the beginning of the project, working conditions were extremely rudimentary. The team had no experience, reference materials or experts, and had to start from scratch. With only hand-operated calculating devices available, several team members worked day and night for more than two months to calculate a single flight trajectory. With no launch site, they used a rice paddy on the outskirts of Shanghai as a makeshift launch pad. They hoisted the rocket onto its launch stand with a winch and pressurized the propellant using a hand pump. On Feb. 19, 1960, Wang and his team successfully launched China's first sounding rocket, the T-7M, from the rice field. Although the rocket reached an altitude of only 8 kilometers, the launch marked a crucial first step in China's journey into space. During the subsequent development of the Long March-1 rocket, Wang innovatively integrated technologies from sounding rockets and missiles. He formulated the technical plan for Long March-1, China's first satellite launch vehicle, and led the development of its overall design and prototype. His work laid an important foundation for the successful launch of China's first satellite. In February 1968, Wang joined the newly established China Academy of Space Technology and continued to devote himself to China's space program. On April 24, 1970, China successfully launched its first artificial Earth satellite, Dongfanghong-1, into space aboard a Long March-1 rocket, becoming the fifth country in the world to independently launch a satellite into orbit. On Nov. 26, 1975, China successfully launched its first recoverable satellite. While the nation celebrated the successful launch, Wang hurried to the satellite tracking and control center, knowing that the mission would not be considered a complete success until the satellite returned safely to Earth. He stayed awake for three days and three nights. Only when he saw the red-and-white parachute appearing in the sky did he finally relax. The successful recovery brought back China's first batch of high-resolution remote-sensing film covering the country, providing basic data for national land surveys, topographic mapping and other applications. China thus became the third country, after the United States and the Soviet Union, to master recoverable satellite technology. Wang said he felt the main meaning of life lies in participating in the great cause of socialist construction and contributing his share to it. "I understand the cause of the Party and have made up my mind to strive to become a Communist," Wang wrote in his application to join the Communist Party of China. He remained committed throughout his life to his belief that "one should strive to be a Communist," and honored his lifelong pledge: "I am willing to be a paving stone for space." (By Gong Weiwei) 
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D | 三个劣质透镜的设计受到模糊角和颜色伪影的影响。主动对焦：镜头机械装配，具有极高的精度，确保图像的所有点都能精确对焦。这种技术通常只适用于高端智能手机。它也有助于实现相机的最小尺寸，以确保无限边显示屏和相机的最佳定位。先进的时间域降噪：戴尔是第一家采用先进的降噪技术的PC机制造商，称为时间域降噪，可以显著提高视频质量，特别是在昏暗的照明条件下。在该技术中，摄像机模块上的控制器可以同时分析来自多个视频帧的信息，从而显著提高噪声并降低纹理。即使用户光线不足，也能保证视频清晰、高质量。
E | 否则，新的戴尔XPS13搭载了更快的8代威士忌酒湖核心i3、i5和i7处理器，一种新的白色风格，并支持杜比视图。戴尔还调整了铰链，使它更容易用一只手打开。精简版戴尔XPS 13网络摄像头不再支持Windows Hello红外摄像头，但提供了可选的指纹识别器。新的戴尔XPS13于1月8日以899.99美元（约合6166元）的价格面市。
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