交叉核实 [数] cross validation ; Cross check
交叉核对 cross-check
交叉核支持向量机 IKSVM
视交叉上核 SCN ; Suprachiasmatic Nucleus
交叉复核随机抽检调查 crosscheck-random sampling inspection survey
交叉上核 [解剖] suprachiasmatic nucleus
交叉审核详图 Cross check the shop drawings
核交叉弛豫 Nuclear cross relaxation
核交叉弛豫速率 Nuclear cross relaxation rate
哺乳动物中调节昼夜节律的是两个调节神经细胞群，称为视交叉上核中的下丘脑。
The circadian rhythm in mammals is regulated by two clusters of nerve cells called the suprachiasmatic nuclei (SCN) in the anterior hypothalamus.
当睡眠压力增加时，视交叉上核会发送信号以提高警觉性。
This area sends signals to boost alertness as the pressure to sleep mounts.
很多年来，科学家们认为大脑的视交叉上核(scn)是生物钟中枢，具体机制是此处的神经元白天比夜间更兴奋。
For years, scientists thought that neurons in the brain's suprachiasmatic nuclei, or SCN, regulated our body clocks by firing a lot during the day and less at night.
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