无齿

Retina; calbindin; parvalbumin; calcium-binding protein; amacrine cells; AII cells; superior colliculus; dentate gyrus

视网膜；钙结合蛋白；鼠骨肌钙蛋白；钙结合蛋白；无长突细胞；；AII细胞；上丘；齿状回

A new air seal equipment, that is the high minus pressure contact airproof technology for wind box of the head and tail of sinter machine, without riveting twin sheet iron are proposed.

针对这一问题提出了新的密封结构——高负接触头尾密封装置、无铆接双板簧和新的传动方式——星轮传动的变齿距设计以及增设尾部液压阻尼装置。

By comparison, the biggest rodent alive today is the capybara, which can reach 60kg.

比较起来，当今最大的啮齿类动物是体重可达六十公斤的南美无尾大水鼠。

Leaf blade glabrous, margin densely crenate, elliptic or broadly elliptic, lateral veins 3 or 4 pairs.

无毛的叶片，具圆齿的边缘密，椭圆形或宽椭圆形，侧脉3或4 对。 33 R。 cathartica 药鼠李

Leaves glabrous, margin entire or sparsely and shallowly crenate.

无毛的叶，和浅具圆齿的边缘全缘或疏生。

Lateral petals beardless; margin of leaf blade crenate.

侧花瓣无髯毛；叶片的边缘具圆齿。

Leaves not canescent, glabrous or sparsely pubescent, margin of lower leaves not deeply crenate; seeds 1.5-2 mm, 2(-4) per fruit

不被灰白毛的叶，无毛或疏生短柔毛，下部叶而不是具深圆齿的边缘；种子1.5-2毫米，每果2(-4) 2 Y。

Leaves opposite to subopposite, rarely alternate, entire, crenate, or serrate, estipulate.

叶对生到近对生，很少互生，全缘，具圆齿，有锯齿的或，无托叶。

According to the non-backlash meshing basic relation ship and the requirement of equality of addendum reducing coefficients,the paper applies computational methods of computer programming and cut-and-try to determine the modification coefficient of idle gear in ordinary gear train .

本文依据无侧隙啮合基本关系和齿顶降低系数相等的要求，应用计算机编程计算和计算器试凑计算方法，确定定轴轮系惰轮的变位系数。

Abstract］ objective to investigate anus sphincter preserved surgical method and indication for low rectal cancer.methods 15 cases with low rectal cancer were operated with eversion and pull-through anus preserved colorectal anastomosis through anus.results no patients died of operation,no patients was with fistula and stricture of anastomosis,no defecation incontinence happened after postoperative 20 weeks,only one patient was with local recurrence.following up for 8 months to 5 years,5 cases were with distant metastasis,4 of these died,one of these had lived with liver metastasis for 3 years.conclusion the indication of anus preserved operation should be chosen according to clinical stage and biological characteristic of rectal malignancy; eversion and pull-through anus preserved colorectal anastomosis through anus is a better anus preserved operation for low rectal cancer.

目的 探讨低位直肠癌保留肛门括约肌功能的手术方法和手术适应证。方法对低位直肠癌经腹经肛门直结肠外翻拉出保留肛门吻合术15例。结果全组无手术死亡，未发生吻合口漏和吻合口狭窄，局部复发1例，20周左右恢复正常排便排气功能，无大便失禁病例。随访8个月～5年，5例为远处转移，死亡4例，其中1例肝转移3年仍生存。结论根据直肠癌的临床分期和肿瘤的生物学特性选择保肛手术适应证，经腹、肛门齿线上直肠癌根治性切除，行肛门直结肠外翻拉出吻合是低位直肠癌较好的保肛术式。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。