根据JGJ 46 88施工现场临时用电安全技术规范，说明了施工现场保护接零的选用原则。
According to JGJ46 88 the safety technique codes of temporary using electricity in construction site the paper illustrates the choose principle of protective zero terminating in construction site.
MPC8250采取了基于硬件的中断现场保护机制，系统中断响应时间与所采用操作系统相关性较小。
The hardware context switch mechanism was adopted by MPC8250. It makes interrupt responding time of MPC8250 has less relativity with operation system.
现场试验表明，在有适度额外保护的情况下，智能手机从使用角度来讲足够坚固；另外特质电池也可以在充电期间延长使用时间。
Field tests suggest that with some modest additional protection, smartphones are robust enough for use and special batteries can prolong time between charges.
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