第二天晚上他们要去参加一个化装舞会，娜拉届时将装扮成一个那不勒斯的渔家女，表演塔兰台拉舞。
The following evening they were to attend a fancy dress Ball, and Nora was to go as a Neapolitan fisher girl and dance the tarantella .
图6.20所示为一台市售的条纹倍增和细化装置，它安装在一台便于使用的专门设计的偏振光弹仪上。
Figure 6. 20 illustrates a commercially available fringe multiplication and fringe sharpening apparatus mounted on a polariscope specially designed to facilitate these applications.
该试验台的研制成功，对提高风源净化装置的检修 质量和 降低 空气系统故障起到了保障作用。
The successful development of this test bed guarantees the maintenance quality of air source purification plants and the reduced failure of air systems.
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