背面

By histological comparison, the structure of the autotomized tissue was different from other mantle tissue. Sinus and blood spaces were found in the autotomized tissue. Structural changes before and after autotomy in the autotomized tissue were from dense to sparse creases in the epidermis and dense to loose in the connective tissue.

组织学观察发现：自割组织结构与一般外套膜不同，具有血窦和较多的血腔；自割前之自割组织腹面表皮有很多褶皱，背面表皮则较平坦，内部组织紧密；自割后之自割组织膨大，背、腹面表皮形态改变，腹面表皮褶皱减少，内部组织蓬松。

This is a polymorphic species, varying especially in the compactness of the panicle and the length and position of the awn on the lemma back.

这是一多态的种，变化特别是在外稃背面上的圆锥花序的紧致性和芒的长度和位置。

Back of a $1 bill.

一美元的背面

Please back a bill .

请在票据的背面签字。

Comb out and back again.

头梳出自和再一次的背面。

According to the back cover of that book that you gave me.

依照你给我的那本书背面

Please write the 'Registered Account Number' on the back of the cheque, draft or cashier order.

请在支票、汇票或本票背面写上「登记户口编号」。

Please write the 16-digit serial number shown at the lower portion of this notice on the back of the cheque, draft or cashier order.

请将本通知书下半部所示的16位数字编号写在支票、汇票或本票背面。

FOR BANKDRAFT, PLEASE INSTRUCT THE BANK TO CERTIFY THAT THE DRAFT IS ISSUED UPON THE ACCOUNT HOLDER'S REQUEST AT THE BACK OF THE DRAFT.

若以银行汇票支付，须由银行在汇票背面核证有关汇票是按账户持有人的要求发出。

Though similar to the Dunlap model above, the lathe was restyled in 1949 to have a more modern, more rounded appearance with an engine turned plate on the back gear cover.

虽然类似的向邓拉普模型上述情况，车床是改观，在1949年有一个更现代，更圆的外观与发动机转板的背面齿轮涵盖的范围。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。