英汉双语例句-生物医药大词典

If the selected node is not an element, this property returns NULL.

中文意思：
如果选定的节点不是一个元素节点，那么该属性将返回NULL[空值]。

以下为相关句子列表(点击查看，可以看对应的解释）：

	If the sector fighters do catch up to your ship as you are leaving you can take from a fraction of the normal damage of all fighters in the sector (as low as 0.01%) to as much as enough to destroy your ship (200% to 300%).			当你逃离时，如果区域战斗机确实击中了你的飞船，你能采用的所有战斗机的正常损伤值区间为[0.01%，200%-300%]，其中200%-300%足以摧毁你的飞船。
	If the segment becomes lost, this is termed a deficiency or deletion; it is often fatal.			如果染色体丢失了一个片断，这种现象则叫做缺失，缺失通常是致死的。
	If the selected node has no children, this property returns NULL.			如果选定的节点部包含子节点，那么这个属性将返回NULL[空值]。
	If the selected node is not an element or attribute, this property always returns NULL.			如果已选节点不是一个元素或属性，那么该属性将总是返回NULL[空值]。
	If the selected node is not an element or attribute, this property returns NULL.			如果已选节点不是一个元素或者属性，那么这个属性将返回NULL。
	If the selected node is not an element, this property returns NULL.			如果选定的节点不是一个元素节点，那么该属性将返回NULL[空值]。
	If the seller's failure to deliver or non-conforming delivery of one installment frustrates the purpose of the contract in respect of all subsequent installments notwithstanding their delivery, the buyer may terminate the portion of the contract in respec			出卖人不交付其中一批标的物或者交付不符合约定，致使今后其他各批标的物的交付不能实现合同目的的，买受人可以就该批以及今后其他各批标的物解除。
	If the sellers are given the liberty of setting prices at will,they will certainly charge the highest price possible,but that will scare away most,if not all,of the buyers.			（假如卖主有自由随意定价这些人会尽可能地会确定吓走全部或大部分买主的最高价格。）
	If the sender\'s window is filled before the timer expires, the pipeline begins to empty.			如果在计时装置开始无效以前,发送方的窗口已充满,那末管线开始排空。
	If the sepals are joined at their lateral margins a calyx tube is formed, the mouth of which may be extended into lobes or teeth.			有的花萼的一边生出短小的管状突起，称为距，它可以延伸进入其他的结构。
	If the sequence number of a command is identical with the sequence number of a command that has been received before, and the contents of the two commands are identical too, then the receiver shall discard the command; if the sequence numbers of two comma			如果命令的序列号和以前接收到的命令的序列号相同，且命令内容也相同，则接收方丢弃该命令；如果序列号相同，但是命令内容并不相同，则命令接收方在应答中返回错误码。