油膏
发表于 2025-3-25 03:32:33
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洁净
发表于 2025-3-25 10:54:12
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组成
发表于 2025-3-25 13:16:15
g’ two light beams. In the interference microscope this may be done when one beam has a different path from the imaging beam, or when both beams take slightly different paths through the object, as is done in phase microscopy. The comparison of two beams always means that changes in the polarization
Collected
发表于 2025-3-25 16:48:21
R. de la Llaveforce generation performances of the produced propellers were tested. Propellers subject to bending, buckling, and centrifugal forces were manufactured using polyamide 6 and carbon fiber-reinforced polyamide 6 matrix composite filaments. The production of UAV propellers by additive manufacturing usi
allergen
发表于 2025-3-25 22:06:43
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小口啜饮
发表于 2025-3-26 03:01:11
Boris V. Chirikovsuch an ingrained feature of the superpower nuclear relationship that for all practical purposes it is widely seen as ‘routine’ by those inside the respective national security establishments. Why are submarines brought in close to any enemy coast, or bombers flown up to his air defences? The answer
生命
发表于 2025-3-26 05:24:45
David Ruellesuch as national defence, or more generally, the political-military national interest, are not convincing because of the size of the financial effort. The most recent example of this is the Strategic Defense Initiative (SDI) Project which, more than any other case to date, necessitates the provision
初学者
发表于 2025-3-26 10:34:40
Leonid A. Bunimovichsuch an ingrained feature of the superpower nuclear relationship that for all practical purposes it is widely seen as ‘routine’ by those inside the respective national security establishments. Why are submarines brought in close to any enemy coast, or bombers flown up to his air defences? The answer
食草
发表于 2025-3-26 16:38:17
L. A. Pasturosmic space. Man in space is thus already a reality. A French publication describes the appearance of a new human species, the ‘Spacepithecus’, successor of the famous ‘Australopithecus’, who represented an important step in human evolution. This may be considered ‘science fiction’, but very often f
Acclaim
发表于 2025-3-26 20:49:56
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