问题
问答题 简答题
什么是温标的三要素？
答案
参考答案：
1）选择了一些纯物质的平衡态温度作为温标的基准点；
2）规定了不同温度范围内的基准仪器；
3）建立了基准仪器的示值与国际温标间关系的插补公式。
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什么是温标的三要素？
参考答案：
1）选择了一些纯物质的平衡态温度作为温标的基准点；
2）规定了不同温度范围内的基准仪器；
3）建立了基准仪器的示值与国际温标间关系的插补公式。
| Artificial flowers are used for scientific as Well as for decorative purposes. They are made from (51) of materials, such as wax and glass, so skillfully that they can scarcely be (52) from natural flowers. In making such models, painstaking skill and artistry are called for, (53) thorough knowledge of plant structure. The (54) of glass flowers in the Botanical Museum of Harvard University is the most famous in North America and is widely known (55) the scientific world. (56) , there are several thousand models in colored glass, the work of two artist naturalists, Leopold Blalschka and his son Rudolph. The intention was to have the collection (57) at least one member of each flower family native to the United States. (58) it was never completed, it contains more than seven hundred species representing 164 families of flowering plants. (59) detail of these is accurately reproduced in color and structure. The models are (60) n locked cases as they are too valuable and fragile for classroom use. |
A．in addition
B．as well
C．as well as
D．moreover