The HVEF treatment for silkworm eggs was obviously a simple and low-cost technique for silkworm rearing and silk yield.
该技术是一项简单易行、成本低廉的养蚕增丝新技术。
Nevertheless, the output and quality of silk are affected directly by the yield and quality of mulberry leaves.
桑叶的产量，质量直接影响茧丝的产量与品质。
Suzhou city also abounds in natural gifts, abundant sunshine, plentiful rainfall and rich soils, which offer a pleasant environment for high yield of cocoons and high qualities of silk.
苏州市有自然优势，日照充足，雨量充沛，土壤肥沃，这些给蚕茧的高产和丝的高质量提供了合适的环境。
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