The prognosis of malignant mixed tumor is poor due to local recurrence and distant metastasis in half of these patients via hemtogenous and lymphogenous spread-ings.

由于恶性混和瘤可经由血液及淋巴，半数患者有局部复发和远现象，所以预后不佳。

Result The top 5 chemical allergic resources of these patients were 0.1% thiomersalate, 5% nickel sulfate,7% aromatic compound,1% formaldehyde( water solution),1% styrene.

结果居常致敏原前5位的化学物质分别0.1%汞、5%酸镍、7%芳香混和物、1%甲醛(水溶液)、1%肉桂醇。

Additive mixture ofcolortrichroism is red,green and blue,subtractive mixture,as its complementary colors,is cyan,ma genta and yellow,thatis the dyestuff trichroism.

颜色的加法混和三原色为红、绿、蓝色,减法混和的三原色则它们的补色,即:青、品红和黄色,染料的三原色后者。