This leads to the question: do there exist two kinds of stepping velocities like the two kinds of pauses seen before.
To form intimate graphene/metal contact without polymer residues, generally there exist two kinds of processes in previous reports: the resist-free process and the resist-involved process.
For TD-learning there exist two different types of convergence.
Broadly speaking, there exist two main classes of GO term similarity approaches, namely, edge- (or path-) and information content-based approaches.
For each backbone sequence there exist three different relative positions of the separatrix discriminating among the different possible dynamics.
As shown in Figure 1, there existed three kinds of patterns for this polymerization.
In the words of the Nobel Prize-winning Italian poet Eugenio Montale (1896-1981): "By now there exist two types of poetry, one of which is for immediate consumption and dies as soon as it is expressed, while the other can sleep quietly.
In the genome of Natronomonas pharaonis, there exist three homologs of trpD and two homologs of trpB, trpE and trpG each.
Then there exist two matrices of order and of order such that (2.20).
There exist two kinds of channels with sizes of ca. 5.737 × 4.628 Å2 and 9.104 × 8.640 Å2 along the b and c directions, respectively.
In the terminology of Antman [17], there exist two classes of one-dimensional jet models: strings and rods.
