偶见种（rare species）
民航地区气象中心应当收集本地区民用机场的机场天气报告METAR和SPECI，并编辑（）。
SPECI报表示的是（）
建群种（constructive species）
优势种（dominant species）
种（species）
凡使用自动观测设备的台站，用于METAR和SPECI时，采用（）分钟平均值。
气象电报中METAR报是天气实况报，SPECI报是特殊天气报，TAF是天气预报。
Human occupation of animals’ territory might cause species extinction.
Shelterwood cut favors the regeneration of _______tree species.
Human’s behavior has a great impact on species biodiversity.
ecological niches and their resident species
Natural selection acts in the form. of variation with a species.
Indeed, ______ may develop in behavior. occurring between different species.
用于METAR和SPECI时，地面风应当观测基准观测点的分钟平均值
Some species of birds are highly sociable and nest in dense colonies.
在METAR£¯SPECI中，什么情况下风向组必须编报VRB？
The evolution of the mangrove species is described to______.
Which of the following can be inferred about large mammal species'？
What is the lifespan of a species connected to？
当能见度上升并达到或经过下列哪些数值时须发布SPECI（特殊报告）？（）
主导能见度为30米，在METAR£¯SPECI中应编报为（)。
which of the following species has the most unpaired electrons （）
It seems these creatures can ____ temperature which would kill other species.
