The Christmas card can be a powerful instrument - whether for propaganda purposes, keeping the party faithful sweet or granting a select few an insight into a prime minister's private life.
圣诞贺卡是一种很有效的工具——无论是为了宣传，还是维系党派内部忠实、良好的关系，或者是允许少数人了解一下上层人物的私生活。
The paper make an approach to the effects of the different phase filter parameter on seismic data of seismic acquisition system. To select the best instrument acquisition parameter.
本文探讨地震采集系统不同相位滤波参数对地震资料的影响，及最佳仪器采集参数的选择。
When the spectrum of the mixture is decomposed by the use of dr-1 type processor, select the related parameters of instrument and determine the constants in program.
利用DR—1型处理机分解混合物光谱时，要注意仪器有关参数的选择及程序中常数的确定。
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