在这个领域，目前全球商业化最成功的标杆是美国雅培的HeartMate3。根据INTERMACS数据，2023年HeartMate3在美国植入式左心室辅助装置市场的占有率高达100%。
栈（stack）是先进后出的数据结构。单调栈在入栈时通过一定规则保持栈内元素有序（单调递增或单调递减），从而把「找左侧/右侧第一个更大/更小元素」从 O(n²) 降到 O(n)。
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Dr Lauren Thomas, a sexual health doctor who has been training GPs in more remote parts of the patch to fit coils and contraceptive implants said ultrasound biopsies would also be available in each county.
To dig deeper into these stories, archaeologists are now entering the second phase of works, including further condition, cleaning and conservation checks.
An HDR photo captured on iPhone 17e.