问题
问答题 简答题
微波数字通道日常监测有哪些要求？
答案
参考答案：
根据江苏移动接入网管理规则要求，对微波数字通道已监测到的ES和SES计数，每7天做一累计统计。若同时满足ES不大于121次，SES事件不大于6次，则认为系统运行正常，否则视为降质，应继续注意观察，分析其原因并找出可能存在的潜伏故障。
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微波数字通道日常监测有哪些要求？
参考答案：
根据江苏移动接入网管理规则要求，对微波数字通道已监测到的ES和SES计数，每7天做一累计统计。若同时满足ES不大于121次，SES事件不大于6次，则认为系统运行正常，否则视为降质，应继续注意观察，分析其原因并找出可能存在的潜伏故障。
| 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．represent
B．substitute
C．replace
D．demonstrate