un. 递延研究试验费 deferred expenses: 递延费用, 待摊费用; 延期支付的费用; 迤延费用experimental expenses: 实验费用; 试验费experimental research: 实验法; 实验性研究; 试验调查; 准实验研究amortization of other deferred expenses: 其他递延费用摊销deferred and prepaid expenses: 待摊费用下载手机词典可随时随地查词查翻译