Some scientists study nature directly
1. field research, laboratory research, mathematical and other models
2. field research (muddy-boots biology泥靴生物學)
3. GIS software
trek艱苦跋涉
wade涉水而行
erect豎起的
crane起重機,吊車
stretch伸直;伸出
canopy頂篷;罩
composite合成的,複合的
gauge測量儀器
buoy浮標,浮筒
Some scientists study ecosystems in the laboratory
3. carry out controlled experiments
culture tube培養試管
chamber房間
catch隱藏的困難
couple with與...聯繫起來
Some scientists use models to simulate ecosystems
4. mathematical and other models that simulate ecosystem
5. baseline data and key variables
We need to learn more about the health of the world's ecosystem
6. baseline data
massive program大量的,大規模的計劃方案
trek艱苦跋涉
wade涉水而行
erect豎起的
crane起重機,吊車
stretch伸直;伸出
canopy頂篷;罩
composite合成的,複合的
gauge測量儀器
buoy浮標,浮筒
Some scientists study ecosystems in the laboratory
3. carry out controlled experiments
culture tube培養試管
chamber房間
catch隱藏的困難
couple with與...聯繫起來
Some scientists use models to simulate ecosystems
4. mathematical and other models that simulate ecosystem
5. baseline data and key variables
We need to learn more about the health of the world's ecosystem
6. baseline data
massive program大量的,大規模的計劃方案
