变化无常
发表于 2025-3-26 23:49:25
Book 1999ibes the motion n in IR. of a point of mass m under the action of a force f by giving the acceleration a. If n the position of the point is taken to be a point x E IR. , and if the force f is supposed to be a function of x only, Newton‘s Law is a description in terms of a second-order ordinary diffe
avulsion
发表于 2025-3-27 04:06:47
Engineering Graphics: OverviewCAD workstations (PC-based, high-performance) and the possibilities of interconnecting them with special reference to the subject of graphics and geometry standards. The CAD workstation market and the world revenue in engineering graphics are briefly surveyed. The user benefits of CAD and the expect
Expressly
发表于 2025-3-27 06:50:32
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细颈瓶
发表于 2025-3-27 12:06:29
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经典
发表于 2025-3-27 13:47:09
Symbiogenesis and Cell Evolution: An Anti-Darwinian Research Agenda? free-living cyanobacteria. This endosymbiotic hypothesis was based on numerous lines of evidence. In a 1910 paper, Mereschkowsky argued that the time has come to introduce a new theory on the origin of living beings; since Darwin’s era, so many new findings have accumulated that now an alternative,
祖传
发表于 2025-3-27 19:03:57
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BALE
发表于 2025-3-28 00:54:31
Warenkalkulation,urch Vergleich der erzielten Erlöse mit den effektiven Kosten den Gewinn, Bei der Vorkalkulation handelt es sich um eine Berechnung der Kosten zukünftig zu erbringender und abzusetzender Stückleistungen. Sie ermittelt zudem, welcher Gewinn bei dem geforderten Preis bzw. dem zu erwartenden Erlös nach Abzug der Kosten verbleibt.
meretricious
发表于 2025-3-28 02:15:51
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沐浴
发表于 2025-3-28 09:06:05
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DEBT
发表于 2025-3-28 12:18:42
Michael D. Axelson,David E. Gerberwo perspectives resulted in the increased use of nonprofessionals as service providers. The movement toward the use of nonprofessionals was also encouraged by the notion that nonprofessionals, as well as their clients, benefitted from the experience. This notion has been termed the . principle (Ries