Agar comes from multiple sources, as many red seaweeds are “agarophytes” (that is, seaweeds containing agar in their cell walls). Species of Gelidium are the most important source of bacteriological (lab-grade) agar. Other main agarophytes, largely used for culinary agar, include red seaweeds from the genera Gracilaria, Pterocladia, Ahnfeltia, and others. Species from the genera Eucheuma, Gigartina, and Chondrus have been used as agarophytes in research during agar shortages.9
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，这一点在91视频中也有详细论述
南方周末：你曾提到自己非常喜欢拉杜·鲁普（Radu Lupu），他的舒伯特即兴曲是经典演绎。相比之下，你在这张专辑中的整体速度更慢，与许多著名版本相比也是如此。在诠释这套作品时，你是否有一个关于时间的总体概念？这种“慢”对你而言意味着什么？
2-phase A* already uses many heuristics which don't always create an optimal route and still 5-10x slower.