The first category is Professional Staff Members (PSMs) which are seconded from the government of member economies.
另一类是辅助成员，从新加坡公开招募。
Firstly, PSMs were prepared by the pulsed electrochemical etching method and the experimental conditions were optimized.
用电化学脉冲腐蚀法制备多孔硅微腔，优化了实验参数。
Users of PSMS often need self-customized requirement s during maintenance and administration, but monitoring products providers' software does not yet supplied these requirements at present.
动力环境集中监控系统的用户在使用过程中，往往结合自身需要提出一些特定的要求，但目前监控产品厂家所提供的软件却又不足以支持这些功能。
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