更多"植被型(vegetation type)"的相关试题:
[简答题]植被型组(vegetation type group)
[填空题]《中国植被》中对植物群落进行分类所采用的主要单位包括植被型、群系和______。
[填空题]在植被型内根据优势层片或指示层片的差异可划分______。
[填空题]我国对植物群落主要分为三级:高级单位——植被型,中级单位——群系,低级单位——群丛。______侧重于外貌、结构和生态地理特征。
[填空题]我国对植物群落分类的三级单位是:高级单位——植被型,中级单位——群系,低级单位——______。
[单项选择]An overwhelming richness of vegetation may have caused the level of oxygen, to rise above today’s ______ , with a corresponding depletion of carbon dioxide.
A. concentration
B. saturation
C. satiation
D. plenitude
[填空题]Vegetation and wildlife ______ (kill) recently in this region owing to the pollution.
[填空题]Vegetation and wildlife______(kill) recently in this region owing to the pollution.
[填空题]Type 2 diabetes only occur in adults while Type 1 diabetes may occur in children.
[单项选择]Why can’t the woman type the letter [A] The typewriter is broken. [B] The woman was away. [C] The woman didn’t have enough time to type it.
[填空题]补充完整下面的模板定义:
template<class Type> //Type为类型参数
class Xtwo //由两个Type类型的数据成员构成的模板类
Type a;
Type b;
public:
Xtwo(Type aa=0,Type bb=0):a(aA) ,b(bB)
int Compare( ) //比较a和b的大小
if(a>B) return 1;
else if(a==B) return 0;
else return-1;
Type Sum( )return a+b; //返回a和b之和
Type Mult( ); //函数声明,返回a和b之乘积
;
template<class Type>
______ ::Mult( )return a*b; //Mult函数的类外定义