英德
有道
百度
谷歌
图片
维基
百科
旋脊 [xuán jǐ]
choma
- 通过几组典型薄互层模型，说明了小波脊等时频分析方法用于薄互层沉积旋回分析的可行性；
The feasibility of time-frequency methods for analyzing deposit gyration of thin interbeds is proven by several typical models. 2. Best window selection in STFT is studied. - 黑层段中生物大量灭绝，深层水具旋脊有孔虫遭受的危机代表当时海洋深层水体严重缺氧的结果；
In this paper, we discuss the oxygen content of the Late Cretaceous sea water by means of microfossil proxies. - 目的评价小剂量左旋布比卡因芬太尼脊麻-硬膜外联合麻醉在老年阴式全子宫切除术中的麻醉效果及其副作用。
Objective To evaluate the anesthesia effect and side effect of low dose levobupivacaine plus fentanyl administered intrathecally in elderly patients undergoing panhysterocolpectomy.
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