1.
radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers.
包含例如海星海胆和海黄瓜等的放射对称的海生无脊椎动物。
2.
Characterized by radial symmetry.
放射状对称的以放射状对称为特征的
3.
One of the segments forming the body of a radially symmetric animal.
放射体节构成放射状对称之动物肌体的节
4.
starfish are actinoid--that is, they are radially symmetrical.
海星呈放射性形状－那就是说，他们是呈对称的放射状。
5.
marine invertebrates with tube feet and calcite-covered five-part radially symmetrical bodies.
海生无脊椎动物，管状足，覆有方解石的身体分五部分呈放射状对称。
6.
asymmetric multiple ray
非对称的多次波射线
7.
complementary symmetry emitter follower
互补对称射极跟随器
8.
asymmetrical tonic neck reflex
非对称紧张性颈反射
9.
skew symmetric mapping
斜对称多重线性映射
10.
antisymmetric multilinear mapping
反对称多重线性映射
11.
Whatever gives off light is termed the source of light .
凡是能放射光的东西称为光源。
12.
The action of radiation on materials is termed radiolysis.
辐射对材料的作用称作辐射分解。
13.
The term actinomorphy is generally used to describe radial symmetry in flowers.
常用“辐射对称”描述辐射状的花。
14.
radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms.
放射状对称的动物，囊状身体覆有刺样结构的触须，只有一个开口；它们以珊瑚和水母的形式出现。
15.
radial symmetry; a starlike or stellate arrangement of petals; many cities show a radial pattern of main highways.
径向对称；星形的花瓣或似星的排列；许多城市的干线公路呈放射状模式。
16.
The study of the effects of radiation and radioisotopes on an ecological population or community.
放射性生态学对放射性和放射性同位素对生态群落的影响的研究
17.
tropospheric fall out
对零的放射性沉降物
18.
The radioactive transformation giving rise to these electrons was known as beta decay.
产生这种电子的放射性变化，称为β衰变。