欲望
发表于 2025-3-26 22:25:08
egsted said this morning, epidemiological relationships do not prove anything. However, they do provide an opportunity for formulating hypotheses that subsequently can be tested, and disproved, modified, or confirmed. I shall begin by placing tumors of the colon and rectum in the context of some oth
雇佣兵
发表于 2025-3-27 01:31:48
Manfred Döpfnerated by a vapor phase process. This success ultimately led to extensive technical efforts worldwide to develop vapor phase processes capable of providing practical glass fibers for the now burgeoning optical communications industry. This has proved to be a very effective and versatile fabrication ap
handle
发表于 2025-3-27 06:38:36
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ACME
发表于 2025-3-27 10:35:38
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Leaven
发表于 2025-3-27 16:15:57
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滔滔不绝的人
发表于 2025-3-27 20:28:31
Michael Borg-Laufs,Manfred Döpfnerdwidth of step-index fibres, the only type under consideration at the time, would be rather limited. Subsequently, with the development of SELFOC and other types of graded-index fibres, a high degree of equalisation of the group velocities of the fibre modes became possible so that the bandwidth ava
小虫
发表于 2025-3-27 22:04:27
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infantile
发表于 2025-3-28 04:23:44
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受人支配
发表于 2025-3-28 09:31:19
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是贪求
发表于 2025-3-28 13:26:07
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