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。新收录的资料是该领域的重要参考
Prepared statement reuse. sqlite3_prepare_v2() compiles once. sqlite3_step() / sqlite3_reset() reuse the compiled code. The cost of SQL-to-bytecode compilation cancels out to near zero. The reimplementation recompiles on every call.
They repeated the protocol across different types of tissue and tumors. By 2014, they had gathered enough evidence to publish their findings in Science Translational Medicine. Their experiments confirmed that delivering an ultrahigh dose of 10 gray or more in less than a tenth of a second could eradicate tumors in mice while leaving surrounding healthy tissue virtually unharmed. For comparison, a typical chest X-ray delivers about 0.1 milligray, while a session of conventional radiation therapy might deliver a total of about 2 gray per day. (The authors called the effect “FLASH” because of the quick, high doses involved, but it’s not an acronym.)，更多细节参见新收录的资料
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