urban ecological security的用法和樣例：
例句
- The status quo of China's forestry indicates that forestry development does not meet the requirement for maintaining ecological security.
林業(yè)現狀說(shuō)明，林業(yè)發(fā)展與維護生態(tài)安全的要求極不適應。 - Finally, research methods for rheology and mutation of ecological safety are concluded, and further problems are brought forward.
最后總結生態(tài)安全漸變和突變的方法研究，并提出進(jìn)一步需要解決的問(wèn)題。
