然而，在过境时应该主动缴纳新税，因为如果供方没有给他们讲明，他们就不能抵消掉在投入时已经支付过的税款。
The new tax, however, should be self-enforcing across borders, since firms cannot offset the taxes they have paid on inputs if their supplier has not declared them.
主动提出建设性的改善方案，供公司有关单位参考。
Makes constructive Suggestions that can improve the operation of the company.
强调了贝类对溶解态重金属的转运除了被动转运之外，还涉及到需要AT P供能的主动转运过程。
It is highlighted that besides passive transport, dissolved metal transport into bivalves was involved in active transport coupled with ATP.
结论主动运动和被动运动均能增强机体氧自由基清除能力，有助于改善心脑供血供氧。
Conclusions It is suggested that both passive exercise and active exercise were helpful for elimination of free radical of the body and improvement of blood and oxygen supply of heart and brain.
方法单人以显微外科技术，缝合血管应用一线环形缝合首尾打结法、为保护供心采用两步法切断升主动脉和肺动脉及妥善的心脏移植物保护措施。
Methods on the base of microsurgery technique, one-thread round suturing way was used for the vessel sutures, and the aorta and the lung artery were dissected separately.
此外，所有患者术后主动脉真腔均出现不程度扩大，假腔逐渐缩小或消失，供血情况均得以改善。
Meanwhile, blood supply were improved, the postoperative aortic true lumen was significantly expanded and the false lumen was significantly reduced or disappeared.
用11-0 带线缝合针将供心主动脉与受体腹主动脉、供心肺动脉与受体下腔静脉端侧缝合。
Other blood vessels of the donor hearts were ligated. The aorta of the donor was anastomosed to the recipient abdominal aorta by end-to side fashion with 11-0 sutures.
方法建立犬颈部异位心脏移植模型，供心与受体行主动脉颈总动脉端侧吻合、肺动脉颈外静脉吻合。
Methods the donor heart was transplanted into the recipient by connecting aorta to common carotid artery and pulmonary artery to external jugular vein.
方法建立犬颈部异位心脏移植模型，供心与受体行主动脉颈总动脉端侧吻合、肺动脉颈外静脉吻合。
Methods the donor heart was transplanted into the recipient by connecting aorta to common carotid artery and pulmonary artery to external jugular vein.
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