Create memory-usage-details.md

2017-04-07 10:43:51 +08:00 · 2017-04-07 10:43:51 +08:00 · 32ee0f05e3
--- a/docs-translations/zh-CN/api/structures/memory-usage-details.md
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+# MemoryUsageDetails Object
+
+* `count` Number
+* `size` Number
+* `liveSize` Number