̫��ʳƷ

��ʳƷ

̫��ʳƷ��ʲô

��˺��л򷵻ص��Ϊʹ��Ա��㹻��Ӫ��Ԫ�ر��ȫ�ͽ��һ�ּ�Ҫ��ܳ־ù�Ӧ��߻��ƣ�͡��СЯ��ʳƷ��̫�ռ�͸��Ӫ��ʳƷ��Ϊ��㺽��Ҫ��Ƴ��й��ѡ̫��Ӫ��ʳƷ��

̫��ʳƷ��ʲô

Space food

��˺��л򷵻ص��Ϊʹ��Ա��㹻��Ӫ��Ԫ�أ��Ӷ��ȫ�ͽ��Ҫһ�ּ�Ҫ��ܳ־ù�Ӧ��߻��ƣ�͡��СЯ��ʳƷ��̫�ռ�͸��Ӫ��ʳƷ��Ϊ��㺽��Ա��Ҫ��Ƴ��̫��Ӫ��ʳƷ��

̫��ʳƷ��չʷ

phylogeny

��ʳƷΪ��20��60��ҷ��ķɴ��У��ʳƷֻ��Ϊ�˽��Ա�ġ��±��⡱��ʱ��ġ�ˮ�ǡ��͡�˫��ɴ��䱸��ʳƷ��

̫��ʳƷ�Ĺ��

Composition

1��뵰�ף��ڣ� 2��󶹷��뵰�� 3��Ƭ 4�� 5��

̫��е��Ʒ��ʧȥ��ÿ��洦����һ��Ա�Ͳ��ʱȡʳ��ɵؽ��ʣ��Ȼ�ͻ��ʳ�ﲻ��ʶ��ʳ��м䣬Σ��ˣ��ѧ��ɴ��ͬʱ��Ҳ��̫��ʳƷ��

̫��ʳƷ�ĸ��

conception

̫��ʳƷ��׼Ϊ�й��Ա��ѵ��ƣ��й��Ա��й�ѵ��걨��̫��ʳƷ��ѡ�ĸ��ԭ��Ͼ��в��Դ��Ʒ�ʼ��ϸ��ԭ��50%��ǹ��ڡ�

̫��ʳƷ��ȫ��

Safety

��ݹ��彡��״̬��Ŀǰ��ʳƷ��ȫ��ƣ��Լ��ǵ��ϰ�ߣ��ơ�̫��ʳƷ��Ѿ�ԶԶ��ͬ��Ʒ��й��Ա��ѵ��Ը��ڹ��ұ�׼�Ĺ��Ҿ��ú��ʳƷ��׼�з��ȫ��Ψһ��̫��ʳƷ��䷽��

̫�ռ�͵ı�׼

Standard

̫��ʳƷ��ú��ר��Ƽ��о�ϸ��ӹ��ʹ֮��Ϊ�ױ��յ��С��޶ȱ��Ӫ��

��Ա��̫��в��Ҫ��ٲ��Ҫ��ƽ��־á�

��ʡ��ᡢ̼ˮ��16��Ӫ��ɷ֣�Ӫ��֣��⡣

�޷��ӣ��ʳƷ��ʳ�ð�ȫ��

��40��亽��ҵ�ĸ��ٷ�չ�У�̫��ʳƷ��й��Ա��ĸ߶˵�̫�ղ�Ʒ��м��ƽ̨��Լ�˵ļ��ͺ��׼��Ƴ��۷ɴ��ռ�վ��Աר��̫��ʳƷ��

��: 1��뵰��; ��嵰�ױ��Ϊ��֮��Ǵ�ţ��ȡ��һ�ֵ��ʣ��Ӫ��ֵ�ߡ��ա��ж��ֻ��Գɷֵ��ص㣬�ǹ��ϵ��ʵ��ʲ��֮һ��

��: 2��󶹷��뵰��; �󶹷��뵰��Ǳ��Լ��ܽ��ˮ��͵ı��ܽ��ˮ�Ϳ��ı��

ݯ��: 3��Ƭ; ��Ƭ��ƶ��ɣ��ʱ�ƽ״��ֱ��Լ�൱�ڻƶ��״��ȥ�ǿ��ĥ�ɴ�ϸ��ͬ��Ƭ��Ū��ƽ��

��: 4��ʼ��; ��ȫ��䡷��ֲ��һ��ܵ绰��ԽӴ�绰��ھ��ʾ��Ϣ��൱��硣

̫��ʳƷ��ḻ�Ŀ��ʳ��ά��ʹʳ��ͣ��У�̫��ʳƷ��ḻ��Ա��֯��֬��ϳɣ��Ʒ��ڷ��ڡ�

��

̫��ʳƷ��ḻ��ˮ�⽺ԭ��ף�ˮ�⽺ԭ��ܱ��Ѹ��գ��Ƥ��ã��ٽ��Դ�Խ�ԭ��׵ĺϳɣ�ʹƤ��ˮ��⻬��

Ƥ��

̫��ʳƷ��ʵ��ף�Ӫ��ȫ�;��⣬��ͯ��ĳɳ�Ӫ��Ҫ��ֲ�ƫʳ��ͯ��Ӫ��ȱʧ��

��Сѧ��

̫��ʳƷ��в��֬��ᣨ��ᡢ��ᡢ��ϩ�ᣩ��п��֬�ȣ��߰��Ⱥ�ļ��

�ϰ��

̫��ʳƷ��ʺ��ߣ��ҪΪ�󶹷��뵰�ס��嵰�ס��۸ߣ��ա�̫��ʳƷ��Ҷ�ᣬ�ɲ��и��ڵ�Ҷ��ˮƽ��ͻ��и��Ҷ��ȱ��֢�ķ��ա�

�в��

̫��ʳƷ̼ˮ��֬��ʡ�ά��ء��ʱ��ݳ��趨��ܽ��߻�ȡƽ��Ӫ��ά��л���

Ӫ��

��̫��ʳƷ��ʲô

��̫��ʳƷ��ʲô

̫��ʳ��ΪʲôҪ��ˮ

̫��ʳ��ΪʲôҪ��ˮ

̫��ʳƷʳ�÷��

̫��ʳƷʳ�÷��

̫��ʳƷע��

̫��ʳƷע��

̫��ܳ�ʲôʳƷ

̫��ܳ�ʲôʳƷ

��ԱʳƷ�ع��

��ԱʳƷ�ع��

θ��ʲôʳ��

θ��ʲôʳ��

��ǿ��

ʲô�Ǹ�Ѫ֬

ʲô�Ǹ�Ѫ֬

С��Ϻ��

С��Ϻ��

��ɻ�ע��

��ɻ�ע��

��һ��

�� ϵ��ʽ �� ƸӢ�� Ͷ��
��վ��Ϣ��ο�_��Ϊ��ϼ�ҽ�Ƶ�� վ��ת�ػ��漰��Ȩ��_��ϵ �� ͷ��䣺service@39yst.com
��ICP��12049902�� Copyright © 2010-2014 www.jjdof.com �� Ȩ�� δ��Ȩ��ת��<