从时间同步着手，分析了时间同步技术—网络时间协议（NTP）和直接连接时间技术，比较了几种分布式系统的时间同步化策略。
The technology of time synchronization including Network Time Protocol(NTP) and Direct time Connection are analyzed, and some time synchronization strategies of distributing systems are compared.
通过对内切酶用量、酶切时间、连接时间、稀释倍数等的研究，建立了适于核桃分析的AFLP银染技术体系。
After systematically study on the main factors involved, an AFLP silver-staining analysis system suitable for walnut genomic DNA was established.
通过对内切酶用量、酶切时间、连接时间、稀释倍数等的研究，建立了适于核桃分析的AFLP银染技术体系。
After systematically study on the main factors involved, an AFLP silver-staining analysis system suitable for walnut genomic DNA was established.
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