1.Tomato bacteria diseaes rifely happen abroad which affect production deeplly.

1.番茄病害在国外普遍发生,对生上威胁较。

2.High risk is rifely exists in environment,technology,safety in production mineral exploration abroad.

2.境外矿勘查在投资环境、技术、安全生它等方面存在较高风险。