一定的

There exists a close relation between growth characteristics and wood properties of the provenance. The height and breast height diameter growth of the provenance had a positive correlation with tracheid diameter and annual ring width, and a negative correlation with tracheid wall thickness and wood density.

种源生长与材质性状间存在一定的相关关系，如种源的高径生长与管胞直径和年轮宽之间存在正相关，而与管胞壁厚和木材密度之间却存在一定程度的负相关。

The arecoline have got definite damage action on DNA in bone marrow cell of mice and possessed some genetic toxicity.

结论槟榔碱对小鼠骨髓细胞的DNA有一定的损伤作用，具有一定的遗传毒性。

Gull , dupe , slang , befool , cod , fool , put on , take in , put one over , put one across

cod：概述 cod即化学需氧量是在一定的条件下，采用一定的强氧化剂处理水样时，所消耗的氧化剂量。

However, the effect of ARF on Fe availability was enhanced relatively in the same way with time on these two different calcareous soils.

因此，酸性根际肥在一定程度上可减少肥料氮的硝化损失，提高肥料氮的利用率，同时对环保也具有一定的意义。

We need to understand that rights and responsibilities are paradoxes. On one hand, a person needs to be given some political rights before he is able to perform his civic duties.

我们知道，权利和义务是一对矛盾，人们只有享受到一定的权利，才会自觉地去尽义务；反之，尽了一定义务的人，必然会要求自己应该享受的权利。

We need to understand that rights and responsibilities are paradoxes. On one hand, a person needs to be given some political rights before he is able to perform his civic duties. On the other hand, a civic conscious person will demand rights that are due to him.

我们知道，权利和义务是一对矛盾，人们只有享受到一定的权利，才会自觉地去尽义务；反之，尽了一定义务的人，必然会要求自己应该享受的权利。

Felt resinous sort has certain effect to ultimate felt load, especially rock-bottom colophony has to ultimate felt load improve function certainly.

粘结树脂的种类对极限粘结荷载有一定的影响，非凡是底层树脂对极限粘结荷载有一定的提高功能。

In most cases, the price will always correspond to a certain product quality.

一定的价格在绝大部分情况下总是对应着一定的产品品质的。

But they have certain misunderstanding and deviation to Marx's natural view.

但他们对马克思的自然观存在一定的误解和偏差，具有一定的局限性。

However, it also reflects general masses\' culture demands and their discontentment and protest. So, it has some aspects of historical progress.

但另一方面，它在一定程度上也反映了普通民众的文化需求，以及他们对资本主义制度的不满和抗议，也具有一定的历史进步性。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。