1·There are about seventy metallic elements.
金属元素有大约七十种左右。
2·Radium, uranium, and thorium are radioactive metallic elements.
镭、铀和钍都属于放射性金属元素。
3·Other pollutants under study include the metallic elements called heavy metals.
其他一些正在被研究的污染物包括重金属元素。
4·Rare earth, an nonrenewable resource, is a general name for 17 low-reserve metallic elements.
稀土是储量较少的一类金属的统称。
5·The process in which plants absorb metallic elements is mostly an initiative absorption process.
植物吸收金属元素的过程主要是一个主动吸收过程。
6·For the roof we have chosen a row structure resting on wooden stirrups secured with metallic elements.
我们选择内置木箍筋与金属元素的连续的屋顶结构。
7·Metallic elements such as Fe, Cu, al, Pb, Na, Zn, Sn and Cd etc. would influence the stability of grape wine.
影响葡萄酒稳定性的金属元素有铁、铜、铝、铅、钠、锌、锡和镉等。
8·The metallic elements of 6 cm width are placed on the stone pavement to evoke the tracks of the so-called Judenrampe.
6厘米宽度的金属元素被放置在铺石路上，以此唤起对所谓Judenrampe的记忆。
9·Curved metallic elements make up the structure of the tent and support a fabric shell that protects visitors from inclement weather.
弯曲的金属元素构成了帐篷的结构并支撑织物的外壳，保护游客免受恶劣的天气影响。
10·Arsenic and lead are also naturally occurring metallic elements that have varieties of USES in industry from insecticides to electronics.
砷和铅也是天然形成的金属元素，在工业上从制造杀虫剂到应用于电子工业，它们有着多种用途。