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Фото: U.S. Navy / Reuters
，更多细节参见新收录的资料
# = [ { key = "a"; deps = [ "b" "c" ]; }，这一点在新收录的资料中也有详细论述
Because of its capacity to be freeze-dried and reconstituted, agar is considered a “physical jelly” (that is, a jelly that sets and melts with temperature changes without needing any additives). This property makes dry agar easy to ship and preserve for long periods of time.5